74687020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{41959}}^1$

素因数の和:42057

約数の個数: 24

約数和(自身を含む): 158608800

約数和(自身を除く): 83921780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 41959, 83918, 167836, 209795, 419590, 839180, 3734351, 7468702, 14937404, 18671755, 37343510, 74687020]

約数ペア:

[(1, 74687020), (2, 37343510), (4, 18671755), (5, 14937404), (10, 7468702), (20, 3734351), (89, 839180), (178, 419590), (356, 209795), (445, 167836), (890, 83918), (1780, 41959)]