4042640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7219}}^1$

素因数の和:7239

約数の個数: 40

約数和(自身を含む): 10743360

約数和(自身を除く): 6700720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7219, 14438, 28876, 36095, 50533, 57752, 72190, 101066, 115504, 144380, 202132, 252665, 288760, 404264, 505330, 577520, 808528, 1010660, 2021320, 4042640]

約数ペア:

[(1, 4042640), (2, 2021320), (4, 1010660), (5, 808528), (7, 577520), (8, 505330), (10, 404264), (14, 288760), (16, 252665), (20, 202132), (28, 144380), (35, 115504), (40, 101066), (56, 72190), (70, 57752), (80, 50533), (112, 36095), (140, 28876), (280, 14438), (560, 7219)]