55191140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38867}}^1$

素因数の和:38947

約数の個数: 24

約数和(自身を含む): 117536832

約数和(自身を除く): 62345692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38867, 77734, 155468, 194335, 388670, 777340, 2759557, 5519114, 11038228, 13797785, 27595570, 55191140]

約数ペア:

[(1, 55191140), (2, 27595570), (4, 13797785), (5, 11038228), (10, 5519114), (20, 2759557), (71, 777340), (142, 388670), (284, 194335), (355, 155468), (710, 77734), (1420, 38867)]