22521280

素因数分解:

$2^6\times 5^1\times {\mathrm{70379}}^1$

素因数の和:70396

約数の個数: 28

約数和(自身を含む): 53629560

約数和(自身を除く): 31108280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 70379, 140758, 281516, 351895, 563032, 703790, 1126064, 1407580, 2252128, 2815160, 4504256, 5630320, 11260640, 22521280]

約数ペア:

[(1, 22521280), (2, 11260640), (4, 5630320), (5, 4504256), (8, 2815160), (10, 2252128), (16, 1407580), (20, 1126064), (32, 703790), (40, 563032), (64, 351895), (80, 281516), (160, 140758), (320, 70379)]