40678640

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1103}}^1$

素因数の和:1577

約数の個数: 40

約数和(自身を含む): 94868928

約数和(自身を除く): 54190288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1103, 1844, 2206, 2305, 3688, 4412, 4610, 5515, 7376, 8824, 9220, 11030, 17648, 18440, 22060, 36880, 44120, 88240, 508483, 1016966, 2033932, 2542415, 4067864, 5084830, 8135728, 10169660, 20339320, 40678640]

約数ペア:

[(1, 40678640), (2, 20339320), (4, 10169660), (5, 8135728), (8, 5084830), (10, 4067864), (16, 2542415), (20, 2033932), (40, 1016966), (80, 508483), (461, 88240), (922, 44120), (1103, 36880), (1844, 22060), (2206, 18440), (2305, 17648), (3688, 11030), (4412, 9220), (4610, 8824), (5515, 7376)]