85800620

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{4129}}^1$

素因数の和:5177

約数の個数: 24

約数和(自身を含む): 180398400

約数和(自身を除く): 94597780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4129, 4156, 5195, 8258, 10390, 16516, 20645, 20780, 41290, 82580, 4290031, 8580062, 17160124, 21450155, 42900310, 85800620]

約数ペア:

[(1, 85800620), (2, 42900310), (4, 21450155), (5, 17160124), (10, 8580062), (20, 4290031), (1039, 82580), (2078, 41290), (4129, 20780), (4156, 20645), (5195, 16516), (8258, 10390)]