40991620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23029}}^1$

素因数の和:23127

約数の個数: 24

約数和(自身を含む): 87053400

約数和(自身を除く): 46061780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23029, 46058, 92116, 115145, 230290, 460580, 2049581, 4099162, 8198324, 10247905, 20495810, 40991620]

約数ペア:

[(1, 40991620), (2, 20495810), (4, 10247905), (5, 8198324), (10, 4099162), (20, 2049581), (89, 460580), (178, 230290), (356, 115145), (445, 92116), (890, 46058), (1780, 23029)]