68778880

素因数分解:

$2^7\times 5^1\times {\mathrm{107467}}^1$

素因数の和:107486

約数の個数: 32

約数和(自身を含む): 164426040

約数和(自身を除く): 95647160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 107467, 214934, 429868, 537335, 859736, 1074670, 1719472, 2149340, 3438944, 4298680, 6877888, 8597360, 13755776, 17194720, 34389440, 68778880]

約数ペア:

[(1, 68778880), (2, 34389440), (4, 17194720), (5, 13755776), (8, 8597360), (10, 6877888), (16, 4298680), (20, 3438944), (32, 2149340), (40, 1719472), (64, 1074670), (80, 859736), (128, 537335), (160, 429868), (320, 214934), (640, 107467)]