81518110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1877}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 151712352

約数和(自身を除く): 70194242

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 505, 1010, 1877, 3754, 4343, 8686, 9385, 18770, 21715, 43430, 80711, 161422, 189577, 379154, 403555, 807110, 947885, 1895770, 8151811, 16303622, 40759055, 81518110]

約数ペア:

[(1, 81518110), (2, 40759055), (5, 16303622), (10, 8151811), (43, 1895770), (86, 947885), (101, 807110), (202, 403555), (215, 379154), (430, 189577), (505, 161422), (1010, 80711), (1877, 43430), (3754, 21715), (4343, 18770), (8686, 9385)]