28731740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33409}}^1$

素因数の和:33461

約数の個数: 24

約数和(自身を含む): 61741680

約数和(自身を除く): 33009940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33409, 66818, 133636, 167045, 334090, 668180, 1436587, 2873174, 5746348, 7182935, 14365870, 28731740]

約数ペア:

[(1, 28731740), (2, 14365870), (4, 7182935), (5, 5746348), (10, 2873174), (20, 1436587), (43, 668180), (86, 334090), (172, 167045), (215, 133636), (430, 66818), (860, 33409)]