42609020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112129}}^1$

素因数の和:112157

約数の個数: 24

約数和(自身を含む): 94189200

約数和(自身を除く): 51580180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 112129, 224258, 448516, 560645, 1121290, 2130451, 2242580, 4260902, 8521804, 10652255, 21304510, 42609020]

約数ペア:

[(1, 42609020), (2, 21304510), (4, 10652255), (5, 8521804), (10, 4260902), (19, 2242580), (20, 2130451), (38, 1121290), (76, 560645), (95, 448516), (190, 224258), (380, 112129)]