28488160

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 67658976

約数和(自身を除く): 39170816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 677, 1052, 1315, 1354, 2104, 2630, 2708, 3385, 4208, 5260, 5416, 6770, 8416, 10520, 10832, 13540, 21040, 21664, 27080, 42080, 54160, 108320, 178051, 356102, 712204, 890255, 1424408, 1780510, 2848816, 3561020, 5697632, 7122040, 14244080, 28488160]

約数ペア:

[(1, 28488160), (2, 14244080), (4, 7122040), (5, 5697632), (8, 3561020), (10, 2848816), (16, 1780510), (20, 1424408), (32, 890255), (40, 712204), (80, 356102), (160, 178051), (263, 108320), (526, 54160), (677, 42080), (1052, 27080), (1315, 21664), (1354, 21040), (2104, 13540), (2630, 10832), (2708, 10520), (3385, 8416), (4208, 6770), (5260, 5416)]