8113504880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{457}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 20885371584

約数和(自身を除く): 12771866704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 397, 430, 457, 520, 559, 688, 794, 860, 914, 1040, 1118, 1588, 1720, 1828, 1985, 2236, 2285, 2795, 3176, 3440, 3656, 3970, 4472, 4570, 5161, 5590, 5941, 6352, 7312, 7940, 8944, 9140, 10322, 11180, 11882, 15880, 17071, 18280, 19651, 20644, 22360, 23764, 25805, 29705, 31760, 34142, 36560, 39302, 41288, 44720, 47528, 51610, 59410, 68284, 78604, 82576, 85355, 95056, 98255, 103220, 118820, 136568, 157208, 170710, 181429, 196510, 206440, 221923, 237640, 255463, 273136, 314416, 341420, 362858, 393020, 412880, 443846, 475280, 510926, 682840, 725716, 786040, 887692, 907145, 1021852, 1109615, 1277315, 1365680, 1451432, 1572080, 1775384, 1814290, 2043704, 2219230, 2358577, 2554630, 2902864, 3550768, 3628580, 4087408, 4438460, 4717154, 5109260, 7257160, 7801447, 8876920, 9434308, 10218520, 11792885, 14514320, 15602894, 17753840, 18868616, 20437040, 23585770, 31205788, 37737232, 39007235, 47171540, 62411576, 78014470, 94343080, 101418811, 124823152, 156028940, 188686160, 202837622, 312057880, 405675244, 507094055, 624115760, 811350488, 1014188110, 1622700976, 2028376220, 4056752440, 8113504880]

約数ペア:

[(1, 8113504880), (2, 4056752440), (4, 2028376220), (5, 1622700976), (8, 1014188110), (10, 811350488), (13, 624115760), (16, 507094055), (20, 405675244), (26, 312057880), (40, 202837622), (43, 188686160), (52, 156028940), (65, 124823152), (80, 101418811), (86, 94343080), (104, 78014470), (130, 62411576), (172, 47171540), (208, 39007235), (215, 37737232), (260, 31205788), (344, 23585770), (397, 20437040), (430, 18868616), (457, 17753840), (520, 15602894), (559, 14514320), (688, 11792885), (794, 10218520), (860, 9434308), (914, 8876920), (1040, 7801447), (1118, 7257160), (1588, 5109260), (1720, 4717154), (1828, 4438460), (1985, 4087408), (2236, 3628580), (2285, 3550768), (2795, 2902864), (3176, 2554630), (3440, 2358577), (3656, 2219230), (3970, 2043704), (4472, 1814290), (4570, 1775384), (5161, 1572080), (5590, 1451432), (5941, 1365680), (6352, 1277315), (7312, 1109615), (7940, 1021852), (8944, 907145), (9140, 887692), (10322, 786040), (11180, 725716), (11882, 682840), (15880, 510926), (17071, 475280), (18280, 443846), (19651, 412880), (20644, 393020), (22360, 362858), (23764, 341420), (25805, 314416), (29705, 273136), (31760, 255463), (34142, 237640), (36560, 221923), (39302, 206440), (41288, 196510), (44720, 181429), (47528, 170710), (51610, 157208), (59410, 136568), (68284, 118820), (78604, 103220), (82576, 98255), (85355, 95056)]