10891640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{983}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 24619680

約数和(自身を除く): 13728040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 983, 1108, 1385, 1966, 2216, 2770, 3932, 4915, 5540, 7864, 9830, 11080, 19660, 39320, 272291, 544582, 1089164, 1361455, 2178328, 2722910, 5445820, 10891640]

約数ペア:

[(1, 10891640), (2, 5445820), (4, 2722910), (5, 2178328), (8, 1361455), (10, 1089164), (20, 544582), (40, 272291), (277, 39320), (554, 19660), (983, 11080), (1108, 9830), (1385, 7864), (1966, 5540), (2216, 4915), (2770, 3932)]