31637680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 79843104

約数和(自身を除く): 48205424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 541, 680, 688, 731, 860, 1082, 1360, 1462, 1720, 2164, 2705, 2924, 3440, 3655, 4328, 5410, 5848, 7310, 8656, 9197, 10820, 11696, 14620, 18394, 21640, 23263, 29240, 36788, 43280, 45985, 46526, 58480, 73576, 91970, 93052, 116315, 147152, 183940, 186104, 232630, 367880, 372208, 395471, 465260, 735760, 790942, 930520, 1581884, 1861040, 1977355, 3163768, 3954710, 6327536, 7909420, 15818840, 31637680]

約数ペア:

[(1, 31637680), (2, 15818840), (4, 7909420), (5, 6327536), (8, 3954710), (10, 3163768), (16, 1977355), (17, 1861040), (20, 1581884), (34, 930520), (40, 790942), (43, 735760), (68, 465260), (80, 395471), (85, 372208), (86, 367880), (136, 232630), (170, 186104), (172, 183940), (215, 147152), (272, 116315), (340, 93052), (344, 91970), (430, 73576), (541, 58480), (680, 46526), (688, 45985), (731, 43280), (860, 36788), (1082, 29240), (1360, 23263), (1462, 21640), (1720, 18394), (2164, 14620), (2705, 11696), (2924, 10820), (3440, 9197), (3655, 8656), (4328, 7310), (5410, 5848)]