25101421720

素因数分解:

$2^3\times 5^1\times {\mathrm{11027}}^1\times {\mathrm{56909}}^1$

素因数の和:67947

約数の個数: 32

約数和(自身を含む): 56484313200

約数和(自身を除く): 31382891480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11027, 22054, 44108, 55135, 56909, 88216, 110270, 113818, 220540, 227636, 284545, 441080, 455272, 569090, 1138180, 2276360, 627535543, 1255071086, 2510142172, 3137677715, 5020284344, 6275355430, 12550710860, 25101421720]

約数ペア:

[(1, 25101421720), (2, 12550710860), (4, 6275355430), (5, 5020284344), (8, 3137677715), (10, 2510142172), (20, 1255071086), (40, 627535543), (11027, 2276360), (22054, 1138180), (44108, 569090), (55135, 455272), (56909, 441080), (88216, 284545), (110270, 227636), (113818, 220540)]