8401220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11353}}^1$

素因数の和:11399

約数の個数: 24

約数和(自身を含む): 18120984

約数和(自身を除く): 9719764

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 11353, 22706, 45412, 56765, 113530, 227060, 420061, 840122, 1680244, 2100305, 4200610, 8401220]

約数ペア:

[(1, 8401220), (2, 4200610), (4, 2100305), (5, 1680244), (10, 840122), (20, 420061), (37, 227060), (74, 113530), (148, 56765), (185, 45412), (370, 22706), (740, 11353)]