3919240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7561

約数の個数: 32

約数和(自身を含む): 9497880

約数和(自身を除く): 5578640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7537, 15074, 30148, 37685, 60296, 75370, 97981, 150740, 195962, 301480, 391924, 489905, 783848, 979810, 1959620, 3919240]

約数ペア:

[(1, 3919240), (2, 1959620), (4, 979810), (5, 783848), (8, 489905), (10, 391924), (13, 301480), (20, 195962), (26, 150740), (40, 97981), (52, 75370), (65, 60296), (104, 37685), (130, 30148), (260, 15074), (520, 7537)]