68829160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41969}}^1$

素因数の和:42021

約数の個数: 32

約数和(自身を含む): 158646600

約数和(自身を除く): 89817440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41969, 83938, 167876, 209845, 335752, 419690, 839380, 1678760, 1720729, 3441458, 6882916, 8603645, 13765832, 17207290, 34414580, 68829160]

約数ペア:

[(1, 68829160), (2, 34414580), (4, 17207290), (5, 13765832), (8, 8603645), (10, 6882916), (20, 3441458), (40, 1720729), (41, 1678760), (82, 839380), (164, 419690), (205, 335752), (328, 209845), (410, 167876), (820, 83938), (1640, 41969)]