13365640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2957}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 30349080

約数和(自身を除く): 16983440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2957, 4520, 5914, 11828, 14785, 23656, 29570, 59140, 118280, 334141, 668282, 1336564, 1670705, 2673128, 3341410, 6682820, 13365640]

約数ペア:

[(1, 13365640), (2, 6682820), (4, 3341410), (5, 2673128), (8, 1670705), (10, 1336564), (20, 668282), (40, 334141), (113, 118280), (226, 59140), (452, 29570), (565, 23656), (904, 14785), (1130, 11828), (2260, 5914), (2957, 4520)]