67702640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19681}}^1$

素因数の和:19737

約数の個数: 40

約数和(自身を含む): 161077488

約数和(自身を除く): 93374848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19681, 39362, 78724, 98405, 157448, 196810, 314896, 393620, 787240, 846283, 1574480, 1692566, 3385132, 4231415, 6770264, 8462830, 13540528, 16925660, 33851320, 67702640]

約数ペア:

[(1, 67702640), (2, 33851320), (4, 16925660), (5, 13540528), (8, 8462830), (10, 6770264), (16, 4231415), (20, 3385132), (40, 1692566), (43, 1574480), (80, 846283), (86, 787240), (172, 393620), (215, 314896), (344, 196810), (430, 157448), (688, 98405), (860, 78724), (1720, 39362), (3440, 19681)]