87917780

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9923}}^1$

素因数の和:10375

約数の個数: 24

約数和(自身を含む): 185062752

約数和(自身を除く): 97144972

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 9923, 19846, 39692, 49615, 99230, 198460, 4395889, 8791778, 17583556, 21979445, 43958890, 87917780]

約数ペア:

[(1, 87917780), (2, 43958890), (4, 21979445), (5, 17583556), (10, 8791778), (20, 4395889), (443, 198460), (886, 99230), (1772, 49615), (2215, 39692), (4430, 19846), (8860, 9923)]