83976880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80747}}^1$

素因数の和:80773

約数の個数: 40

約数和(自身を含む): 210267792

約数和(自身を除く): 126290912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 80747, 161494, 322988, 403735, 645976, 807470, 1049711, 1291952, 1614940, 2099422, 3229880, 4198844, 5248555, 6459760, 8397688, 10497110, 16795376, 20994220, 41988440, 83976880]

約数ペア:

[(1, 83976880), (2, 41988440), (4, 20994220), (5, 16795376), (8, 10497110), (10, 8397688), (13, 6459760), (16, 5248555), (20, 4198844), (26, 3229880), (40, 2099422), (52, 1614940), (65, 1291952), (80, 1049711), (104, 807470), (130, 645976), (208, 403735), (260, 322988), (520, 161494), (1040, 80747)]