1849640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 4483080

約数和(自身を除く): 2633440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3557, 7114, 14228, 17785, 28456, 35570, 46241, 71140, 92482, 142280, 184964, 231205, 369928, 462410, 924820, 1849640]

約数ペア:

[(1, 1849640), (2, 924820), (4, 462410), (5, 369928), (8, 231205), (10, 184964), (13, 142280), (20, 92482), (26, 71140), (40, 46241), (52, 35570), (65, 28456), (104, 17785), (130, 14228), (260, 7114), (520, 3557)]