89531290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 166380480

約数和(自身を除く): 76849190

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 695, 1390, 1571, 3142, 5699, 7855, 11398, 15710, 28495, 56990, 64411, 128822, 218369, 322055, 436738, 644110, 1091845, 2183690, 8953129, 17906258, 44765645, 89531290]

約数ペア:

[(1, 89531290), (2, 44765645), (5, 17906258), (10, 8953129), (41, 2183690), (82, 1091845), (139, 644110), (205, 436738), (278, 322055), (410, 218369), (695, 128822), (1390, 64411), (1571, 56990), (3142, 28495), (5699, 15710), (7855, 11398)]