8403580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3067}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 17782128

約数和(自身を除く): 9378548

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 3067, 6134, 12268, 15335, 30670, 61340, 420179, 840358, 1680716, 2100895, 4201790, 8403580]

約数ペア:

[(1, 8403580), (2, 4201790), (4, 2100895), (5, 1680716), (10, 840358), (20, 420179), (137, 61340), (274, 30670), (548, 15335), (685, 12268), (1370, 6134), (2740, 3067)]