90845780

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3557}}^1$

素因数の和:4843

約数の個数: 24

約数和(自身を含む): 190979208

約数和(自身を除く): 100133428

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 3557, 5108, 6385, 7114, 12770, 14228, 17785, 25540, 35570, 71140, 4542289, 9084578, 18169156, 22711445, 45422890, 90845780]

約数ペア:

[(1, 90845780), (2, 45422890), (4, 22711445), (5, 18169156), (10, 9084578), (20, 4542289), (1277, 71140), (2554, 35570), (3557, 25540), (5108, 17785), (6385, 14228), (7114, 12770)]