31458640

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{853}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 73385928

約数和(自身を除く): 41927288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 853, 922, 1706, 1844, 2305, 3412, 3688, 4265, 4610, 6824, 7376, 8530, 9220, 13648, 17060, 18440, 34120, 36880, 68240, 393233, 786466, 1572932, 1966165, 3145864, 3932330, 6291728, 7864660, 15729320, 31458640]

約数ペア:

[(1, 31458640), (2, 15729320), (4, 7864660), (5, 6291728), (8, 3932330), (10, 3145864), (16, 1966165), (20, 1572932), (40, 786466), (80, 393233), (461, 68240), (853, 36880), (922, 34120), (1706, 18440), (1844, 17060), (2305, 13648), (3412, 9220), (3688, 8530), (4265, 7376), (4610, 6824)]