423875920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{407573}}^1$

素因数の和:407599

約数の個数: 40

約数和(自身を含む): 1061322696

約数和(自身を除く): 637446776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 407573, 815146, 1630292, 2037865, 3260584, 4075730, 5298449, 6521168, 8151460, 10596898, 16302920, 21193796, 26492245, 32605840, 42387592, 52984490, 84775184, 105968980, 211937960, 423875920]

約数ペア:

[(1, 423875920), (2, 211937960), (4, 105968980), (5, 84775184), (8, 52984490), (10, 42387592), (13, 32605840), (16, 26492245), (20, 21193796), (26, 16302920), (40, 10596898), (52, 8151460), (65, 6521168), (80, 5298449), (104, 4075730), (130, 3260584), (208, 2037865), (260, 1630292), (520, 815146), (1040, 407573)]