39271240

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2473}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 88618680

約数和(自身を除く): 49347440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 2473, 3176, 3970, 4946, 7940, 9892, 12365, 15880, 19784, 24730, 49460, 98920, 981781, 1963562, 3927124, 4908905, 7854248, 9817810, 19635620, 39271240]

約数ペア:

[(1, 39271240), (2, 19635620), (4, 9817810), (5, 7854248), (8, 4908905), (10, 3927124), (20, 1963562), (40, 981781), (397, 98920), (794, 49460), (1588, 24730), (1985, 19784), (2473, 15880), (3176, 12365), (3970, 9892), (4946, 7940)]