31907660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8017}}^1$

素因数の和:8225

約数の個数: 24

約数和(自身を含む): 67351200

約数和(自身を除く): 35443540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 8017, 16034, 32068, 40085, 80170, 160340, 1595383, 3190766, 6381532, 7976915, 15953830, 31907660]

約数ペア:

[(1, 31907660), (2, 15953830), (4, 7976915), (5, 6381532), (10, 3190766), (20, 1595383), (199, 160340), (398, 80170), (796, 40085), (995, 32068), (1990, 16034), (3980, 8017)]