49795720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 131725440

約数和(自身を除く): 81929720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 131, 136, 170, 172, 215, 221, 260, 262, 340, 344, 430, 442, 520, 524, 559, 655, 680, 731, 860, 884, 1048, 1105, 1118, 1310, 1462, 1703, 1720, 1768, 2210, 2227, 2236, 2620, 2795, 2924, 3406, 3655, 4420, 4454, 4472, 5240, 5590, 5633, 5848, 6812, 7310, 8515, 8840, 8908, 9503, 11135, 11180, 11266, 13624, 14620, 17030, 17816, 19006, 22270, 22360, 22532, 28165, 28951, 29240, 34060, 38012, 44540, 45064, 47515, 56330, 57902, 68120, 73229, 76024, 89080, 95030, 95761, 112660, 115804, 144755, 146458, 190060, 191522, 225320, 231608, 289510, 292916, 366145, 380120, 383044, 478805, 579020, 585832, 732290, 766088, 957610, 1158040, 1244893, 1464580, 1915220, 2489786, 2929160, 3830440, 4979572, 6224465, 9959144, 12448930, 24897860, 49795720]

約数ペア:

[(1, 49795720), (2, 24897860), (4, 12448930), (5, 9959144), (8, 6224465), (10, 4979572), (13, 3830440), (17, 2929160), (20, 2489786), (26, 1915220), (34, 1464580), (40, 1244893), (43, 1158040), (52, 957610), (65, 766088), (68, 732290), (85, 585832), (86, 579020), (104, 478805), (130, 383044), (131, 380120), (136, 366145), (170, 292916), (172, 289510), (215, 231608), (221, 225320), (260, 191522), (262, 190060), (340, 146458), (344, 144755), (430, 115804), (442, 112660), (520, 95761), (524, 95030), (559, 89080), (655, 76024), (680, 73229), (731, 68120), (860, 57902), (884, 56330), (1048, 47515), (1105, 45064), (1118, 44540), (1310, 38012), (1462, 34060), (1703, 29240), (1720, 28951), (1768, 28165), (2210, 22532), (2227, 22360), (2236, 22270), (2620, 19006), (2795, 17816), (2924, 17030), (3406, 14620), (3655, 13624), (4420, 11266), (4454, 11180), (4472, 11135), (5240, 9503), (5590, 8908), (5633, 8840), (5848, 8515), (6812, 7310)]