51508040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55987}}^1$

素因数の和:56021

約数の個数: 32

約数和(自身を含む): 120934080

約数和(自身を除く): 69426040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 55987, 111974, 223948, 279935, 447896, 559870, 1119740, 1287701, 2239480, 2575402, 5150804, 6438505, 10301608, 12877010, 25754020, 51508040]

約数ペア:

[(1, 51508040), (2, 25754020), (4, 12877010), (5, 10301608), (8, 6438505), (10, 5150804), (20, 2575402), (23, 2239480), (40, 1287701), (46, 1119740), (92, 559870), (115, 447896), (184, 279935), (230, 223948), (460, 111974), (920, 55987)]