124082020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{69709}}^1$

素因数の和:69807

約数の個数: 24

約数和(自身を含む): 263503800

約数和(自身を除く): 139421780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 69709, 139418, 278836, 348545, 697090, 1394180, 6204101, 12408202, 24816404, 31020505, 62041010, 124082020]

約数ペア:

[(1, 124082020), (2, 62041010), (4, 31020505), (5, 24816404), (10, 12408202), (20, 6204101), (89, 1394180), (178, 697090), (356, 348545), (445, 278836), (890, 139418), (1780, 69709)]