87288380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42373}}^1$

素因数の和:42485

約数の個数: 24

約数和(自身を含む): 185089632

約数和(自身を除く): 97801252

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42373, 84746, 169492, 211865, 423730, 847460, 4364419, 8728838, 17457676, 21822095, 43644190, 87288380]

約数ペア:

[(1, 87288380), (2, 43644190), (4, 21822095), (5, 17457676), (10, 8728838), (20, 4364419), (103, 847460), (206, 423730), (412, 211865), (515, 169492), (1030, 84746), (2060, 42373)]