317626720

素因数分解:

$2^5\times 5^1\times {\mathrm{1985167}}^1$

素因数の和:1985182

約数の個数: 24

約数和(自身を含む): 750393504

約数和(自身を除く): 432766784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1985167, 3970334, 7940668, 9925835, 15881336, 19851670, 31762672, 39703340, 63525344, 79406680, 158813360, 317626720]

約数ペア:

[(1, 317626720), (2, 158813360), (4, 79406680), (5, 63525344), (8, 39703340), (10, 31762672), (16, 19851670), (20, 15881336), (32, 9925835), (40, 7940668), (80, 3970334), (160, 1985167)]