40419020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15913}}^1$

素因数の和:16049

約数の個数: 24

約数和(自身を含む): 85553664

約数和(自身を除く): 45134644

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15913, 31826, 63652, 79565, 159130, 318260, 2020951, 4041902, 8083804, 10104755, 20209510, 40419020]

約数ペア:

[(1, 40419020), (2, 20209510), (4, 10104755), (5, 8083804), (10, 4041902), (20, 2020951), (127, 318260), (254, 159130), (508, 79565), (635, 63652), (1270, 31826), (2540, 15913)]