91375880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55717}}^1$

素因数の和:55769

約数の個数: 32

約数和(自身を含む): 210614040

約数和(自身を除く): 119238160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55717, 111434, 222868, 278585, 445736, 557170, 1114340, 2228680, 2284397, 4568794, 9137588, 11421985, 18275176, 22843970, 45687940, 91375880]

約数ペア:

[(1, 91375880), (2, 45687940), (4, 22843970), (5, 18275176), (8, 11421985), (10, 9137588), (20, 4568794), (40, 2284397), (41, 2228680), (82, 1114340), (164, 557170), (205, 445736), (328, 278585), (410, 222868), (820, 111434), (1640, 55717)]