31906720

素因数分解:

$2^5\times 5^1\times {\mathrm{199417}}^1$

素因数の和:199432

約数の個数: 24

約数和(自身を含む): 75380004

約数和(自身を除く): 43473284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199417, 398834, 797668, 997085, 1595336, 1994170, 3190672, 3988340, 6381344, 7976680, 15953360, 31906720]

約数ペア:

[(1, 31906720), (2, 15953360), (4, 7976680), (5, 6381344), (8, 3988340), (10, 3190672), (16, 1994170), (20, 1595336), (32, 997085), (40, 797668), (80, 398834), (160, 199417)]