56131001680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{71867}}^1$

素因数の和:72644

約数の個数: 80

約数和(自身を含む): 140732492544

約数和(自身を除く): 84601490864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 751, 1040, 1502, 3004, 3755, 6008, 7510, 9763, 12016, 15020, 19526, 30040, 39052, 48815, 60080, 71867, 78104, 97630, 143734, 156208, 195260, 287468, 359335, 390520, 574936, 718670, 781040, 934271, 1149872, 1437340, 1868542, 2874680, 3737084, 4671355, 5749360, 7474168, 9342710, 14948336, 18685420, 37370840, 53972117, 74741680, 107944234, 215888468, 269860585, 431776936, 539721170, 701637521, 863553872, 1079442340, 1403275042, 2158884680, 2806550084, 3508187605, 4317769360, 5613100168, 7016375210, 11226200336, 14032750420, 28065500840, 56131001680]

約数ペア:

[(1, 56131001680), (2, 28065500840), (4, 14032750420), (5, 11226200336), (8, 7016375210), (10, 5613100168), (13, 4317769360), (16, 3508187605), (20, 2806550084), (26, 2158884680), (40, 1403275042), (52, 1079442340), (65, 863553872), (80, 701637521), (104, 539721170), (130, 431776936), (208, 269860585), (260, 215888468), (520, 107944234), (751, 74741680), (1040, 53972117), (1502, 37370840), (3004, 18685420), (3755, 14948336), (6008, 9342710), (7510, 7474168), (9763, 5749360), (12016, 4671355), (15020, 3737084), (19526, 2874680), (30040, 1868542), (39052, 1437340), (48815, 1149872), (60080, 934271), (71867, 781040), (78104, 718670), (97630, 574936), (143734, 390520), (156208, 359335), (195260, 287468)]