90550720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21767}}^1$

素因数の和:21797

約数の個数: 56

約数和(自身を含む): 232221024

約数和(自身を除く): 141670304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21767, 43534, 87068, 108835, 174136, 217670, 282971, 348272, 435340, 565942, 696544, 870680, 1131884, 1393088, 1414855, 1741360, 2263768, 2829710, 3482720, 4527536, 5659420, 6965440, 9055072, 11318840, 18110144, 22637680, 45275360, 90550720]

約数ペア:

[(1, 90550720), (2, 45275360), (4, 22637680), (5, 18110144), (8, 11318840), (10, 9055072), (13, 6965440), (16, 5659420), (20, 4527536), (26, 3482720), (32, 2829710), (40, 2263768), (52, 1741360), (64, 1414855), (65, 1393088), (80, 1131884), (104, 870680), (130, 696544), (160, 565942), (208, 435340), (260, 348272), (320, 282971), (416, 217670), (520, 174136), (832, 108835), (1040, 87068), (2080, 43534), (4160, 21767)]