68830040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32467}}^1$

素因数の和:32531

約数の個数: 32

約数和(自身を含む): 157794480

約数和(自身を除く): 88964440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 32467, 64934, 129868, 162335, 259736, 324670, 649340, 1298680, 1720751, 3441502, 6883004, 8603755, 13766008, 17207510, 34415020, 68830040]

約数ペア:

[(1, 68830040), (2, 34415020), (4, 17207510), (5, 13766008), (8, 8603755), (10, 6883004), (20, 3441502), (40, 1720751), (53, 1298680), (106, 649340), (212, 324670), (265, 259736), (424, 162335), (530, 129868), (1060, 64934), (2120, 32467)]