99686680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18191}}^1$

素因数の和:18339

約数の個数: 32

約数和(自身を含む): 225944640

約数和(自身を除く): 126257960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 18191, 36382, 72764, 90955, 145528, 181910, 363820, 727640, 2492167, 4984334, 9968668, 12460835, 19937336, 24921670, 49843340, 99686680]

約数ペア:

[(1, 99686680), (2, 49843340), (4, 24921670), (5, 19937336), (8, 12460835), (10, 9968668), (20, 4984334), (40, 2492167), (137, 727640), (274, 363820), (548, 181910), (685, 145528), (1096, 90955), (1370, 72764), (2740, 36382), (5480, 18191)]