38937996880

素因数分解:

$2^4\times 5^1\times {\mathrm{486724961}}^1$

素因数の和:486724974

約数の個数: 20

約数和(自身を含む): 90530842932

約数和(自身を除く): 51592846052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486724961, 973449922, 1946899844, 2433624805, 3893799688, 4867249610, 7787599376, 9734499220, 19468998440, 38937996880]

約数ペア:

[(1, 38937996880), (2, 19468998440), (4, 9734499220), (5, 7787599376), (8, 4867249610), (10, 3893799688), (16, 2433624805), (20, 1946899844), (40, 973449922), (80, 486724961)]