78710320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75683}}^1$

素因数の和:75709

約数の個数: 40

約数和(自身を含む): 197081136

約数和(自身を除く): 118370816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75683, 151366, 302732, 378415, 605464, 756830, 983879, 1210928, 1513660, 1967758, 3027320, 3935516, 4919395, 6054640, 7871032, 9838790, 15742064, 19677580, 39355160, 78710320]

約数ペア:

[(1, 78710320), (2, 39355160), (4, 19677580), (5, 15742064), (8, 9838790), (10, 7871032), (13, 6054640), (16, 4919395), (20, 3935516), (26, 3027320), (40, 1967758), (52, 1513660), (65, 1210928), (80, 983879), (104, 756830), (130, 605464), (208, 378415), (260, 302732), (520, 151366), (1040, 75683)]