408030740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1569349}}^1$

素因数の和:1569371

約数の個数: 24

約数和(自身を含む): 922777800

約数和(自身を除く): 514747060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1569349, 3138698, 6277396, 7846745, 15693490, 20401537, 31386980, 40803074, 81606148, 102007685, 204015370, 408030740]

約数ペア:

[(1, 408030740), (2, 204015370), (4, 102007685), (5, 81606148), (10, 40803074), (13, 31386980), (20, 20401537), (26, 15693490), (52, 7846745), (65, 6277396), (130, 3138698), (260, 1569349)]