86245640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165857}}^1$

素因数の和:165881

約数の個数: 32

約数和(自身を含む): 208981080

約数和(自身を除く): 122735440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 165857, 331714, 663428, 829285, 1326856, 1658570, 2156141, 3317140, 4312282, 6634280, 8624564, 10780705, 17249128, 21561410, 43122820, 86245640]

約数ペア:

[(1, 86245640), (2, 43122820), (4, 21561410), (5, 17249128), (8, 10780705), (10, 8624564), (13, 6634280), (20, 4312282), (26, 3317140), (40, 2156141), (52, 1658570), (65, 1326856), (104, 829285), (130, 663428), (260, 331714), (520, 165857)]