66679160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21101}}^1$

素因数の和:21191

約数の個数: 32

約数和(自身を含む): 151934400

約数和(自身を除く): 85255240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21101, 42202, 84404, 105505, 168808, 211010, 422020, 844040, 1666979, 3333958, 6667916, 8334895, 13335832, 16669790, 33339580, 66679160]

約数ペア:

[(1, 66679160), (2, 33339580), (4, 16669790), (5, 13335832), (8, 8334895), (10, 6667916), (20, 3333958), (40, 1666979), (79, 844040), (158, 422020), (316, 211010), (395, 168808), (632, 105505), (790, 84404), (1580, 42202), (3160, 21101)]