1280620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5821}}^1$

素因数の和:5841

約数の個数: 24

約数和(自身を含む): 2934288

約数和(自身を除く): 1653668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5821, 11642, 23284, 29105, 58210, 64031, 116420, 128062, 256124, 320155, 640310, 1280620]

約数ペア:

[(1, 1280620), (2, 640310), (4, 320155), (5, 256124), (10, 128062), (11, 116420), (20, 64031), (22, 58210), (44, 29105), (55, 23284), (110, 11642), (220, 5821)]