5391140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 11429880

約数和(自身を除く): 6038740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2473, 4946, 9892, 12365, 24730, 49460, 269557, 539114, 1078228, 1347785, 2695570, 5391140]

約数ペア:

[(1, 5391140), (2, 2695570), (4, 1347785), (5, 1078228), (10, 539114), (20, 269557), (109, 49460), (218, 24730), (436, 12365), (545, 9892), (1090, 4946), (2180, 2473)]