130427140

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{12517}}^1$

素因数の和:13047

約数の個数: 24

約数和(自身を含む): 274444632

約数和(自身を除く): 144017492

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 12517, 25034, 50068, 62585, 125170, 250340, 6521357, 13042714, 26085428, 32606785, 65213570, 130427140]

約数ペア:

[(1, 130427140), (2, 65213570), (4, 32606785), (5, 26085428), (10, 13042714), (20, 6521357), (521, 250340), (1042, 125170), (2084, 62585), (2605, 50068), (5210, 25034), (10420, 12517)]