40229620

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1951}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 84607488

約数和(自身を除く): 44377868

約数列:

[1, 2, 4, 5, 10, 20, 1031, 1951, 2062, 3902, 4124, 5155, 7804, 9755, 10310, 19510, 20620, 39020, 2011481, 4022962, 8045924, 10057405, 20114810, 40229620]

約数ペア:

[(1, 40229620), (2, 20114810), (4, 10057405), (5, 8045924), (10, 4022962), (20, 2011481), (1031, 39020), (1951, 20620), (2062, 19510), (3902, 10310), (4124, 9755), (5155, 7804)]