21964160

素因数分解:

$2^7\times 5^1\times {\mathrm{34319}}^1$

素因数の和:34338

約数の個数: 32

約数和(自身を含む): 52509600

約数和(自身を除く): 30545440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34319, 68638, 137276, 171595, 274552, 343190, 549104, 686380, 1098208, 1372760, 2196416, 2745520, 4392832, 5491040, 10982080, 21964160]

約数ペア:

[(1, 21964160), (2, 10982080), (4, 5491040), (5, 4392832), (8, 2745520), (10, 2196416), (16, 1372760), (20, 1098208), (32, 686380), (40, 549104), (64, 343190), (80, 274552), (128, 171595), (160, 137276), (320, 68638), (640, 34319)]