143341640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275657}}^1$

素因数の和:275681

約数の個数: 32

約数和(自身を含む): 347329080

約数和(自身を除く): 203987440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 275657, 551314, 1102628, 1378285, 2205256, 2756570, 3583541, 5513140, 7167082, 11026280, 14334164, 17917705, 28668328, 35835410, 71670820, 143341640]

約数ペア:

[(1, 143341640), (2, 71670820), (4, 35835410), (5, 28668328), (8, 17917705), (10, 14334164), (13, 11026280), (20, 7167082), (26, 5513140), (40, 3583541), (52, 2756570), (65, 2205256), (104, 1378285), (130, 1102628), (260, 551314), (520, 275657)]