181113280

素因数分解:

$2^6\times 5^1\times {\mathrm{565979}}^1$

素因数の和:565996

約数の個数: 28

約数和(自身を含む): 431276760

約数和(自身を除く): 250163480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 565979, 1131958, 2263916, 2829895, 4527832, 5659790, 9055664, 11319580, 18111328, 22639160, 36222656, 45278320, 90556640, 181113280]

約数ペア:

[(1, 181113280), (2, 90556640), (4, 45278320), (5, 36222656), (8, 22639160), (10, 18111328), (16, 11319580), (20, 9055664), (32, 5659790), (40, 4527832), (64, 2829895), (80, 2263916), (160, 1131958), (320, 565979)]