85388980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13907}}^1$

素因数の和:14223

約数の個数: 24

約数和(自身を含む): 179913888

約数和(自身を除く): 94524908

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 13907, 27814, 55628, 69535, 139070, 278140, 4269449, 8538898, 17077796, 21347245, 42694490, 85388980]

約数ペア:

[(1, 85388980), (2, 42694490), (4, 21347245), (5, 17077796), (10, 8538898), (20, 4269449), (307, 278140), (614, 139070), (1228, 69535), (1535, 55628), (3070, 27814), (6140, 13907)]