21974080

素因数分解:

$2^6\times 5^1\times {\mathrm{68669}}^1$

素因数の和:68686

約数の個数: 28

約数和(自身を含む): 52326540

約数和(自身を除く): 30352460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68669, 137338, 274676, 343345, 549352, 686690, 1098704, 1373380, 2197408, 2746760, 4394816, 5493520, 10987040, 21974080]

約数ペア:

[(1, 21974080), (2, 10987040), (4, 5493520), (5, 4394816), (8, 2746760), (10, 2197408), (16, 1373380), (20, 1098704), (32, 686690), (40, 549352), (64, 343345), (80, 274676), (160, 137338), (320, 68669)]