85307680

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3271}}^1$

素因数の和:3449

約数の個数: 48

約数和(自身を含む): 202837824

約数和(自身を除く): 117530144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 3271, 5216, 6520, 6542, 13040, 13084, 16355, 26080, 26168, 32710, 52336, 65420, 104672, 130840, 261680, 523360, 533173, 1066346, 2132692, 2665865, 4265384, 5331730, 8530768, 10663460, 17061536, 21326920, 42653840, 85307680]

約数ペア:

[(1, 85307680), (2, 42653840), (4, 21326920), (5, 17061536), (8, 10663460), (10, 8530768), (16, 5331730), (20, 4265384), (32, 2665865), (40, 2132692), (80, 1066346), (160, 533173), (163, 523360), (326, 261680), (652, 130840), (815, 104672), (1304, 65420), (1630, 52336), (2608, 32710), (3260, 26168), (3271, 26080), (5216, 16355), (6520, 13084), (6542, 13040)]