68838160

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5279}}^1$

素因数の和:5455

約数の個数: 40

約数和(自身を含む): 161061120

約数和(自身を除く): 92222960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5279, 6520, 10558, 13040, 21116, 26395, 42232, 52790, 84464, 105580, 211160, 422320, 860477, 1720954, 3441908, 4302385, 6883816, 8604770, 13767632, 17209540, 34419080, 68838160]

約数ペア:

[(1, 68838160), (2, 34419080), (4, 17209540), (5, 13767632), (8, 8604770), (10, 6883816), (16, 4302385), (20, 3441908), (40, 1720954), (80, 860477), (163, 422320), (326, 211160), (652, 105580), (815, 84464), (1304, 52790), (1630, 42232), (2608, 26395), (3260, 21116), (5279, 13040), (6520, 10558)]