72426980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20231}}^1$

素因数の和:20419

約数の個数: 24

約数和(自身を含む): 152953920

約数和(自身を除く): 80526940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 20231, 40462, 80924, 101155, 202310, 404620, 3621349, 7242698, 14485396, 18106745, 36213490, 72426980]

約数ペア:

[(1, 72426980), (2, 36213490), (4, 18106745), (5, 14485396), (10, 7242698), (20, 3621349), (179, 404620), (358, 202310), (716, 101155), (895, 80924), (1790, 40462), (3580, 20231)]