82501640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158657}}^1$

素因数の和:158681

約数の個数: 32

約数和(自身を含む): 199909080

約数和(自身を除く): 117407440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 158657, 317314, 634628, 793285, 1269256, 1586570, 2062541, 3173140, 4125082, 6346280, 8250164, 10312705, 16500328, 20625410, 41250820, 82501640]

約数ペア:

[(1, 82501640), (2, 41250820), (4, 20625410), (5, 16500328), (8, 10312705), (10, 8250164), (13, 6346280), (20, 4125082), (26, 3173140), (40, 2062541), (52, 1586570), (65, 1269256), (104, 793285), (130, 634628), (260, 317314), (520, 158657)]