1663240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 3833280

約数和(自身を除く): 2170040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 967, 1720, 1934, 3868, 4835, 7736, 9670, 19340, 38680, 41581, 83162, 166324, 207905, 332648, 415810, 831620, 1663240]

約数ペア:

[(1, 1663240), (2, 831620), (4, 415810), (5, 332648), (8, 207905), (10, 166324), (20, 83162), (40, 41581), (43, 38680), (86, 19340), (172, 9670), (215, 7736), (344, 4835), (430, 3868), (860, 1934), (967, 1720)]