90560980

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{3041}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 190368360

約数和(自身を除く): 99807380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 3041, 5956, 6082, 7445, 12164, 14890, 15205, 29780, 30410, 60820, 4528049, 9056098, 18112196, 22640245, 45280490, 90560980]

約数ペア:

[(1, 90560980), (2, 45280490), (4, 22640245), (5, 18112196), (10, 9056098), (20, 4528049), (1489, 60820), (2978, 30410), (3041, 29780), (5956, 15205), (6082, 14890), (7445, 12164)]