108405680

素因数分解:

$2^4\times 5^1\times {\mathrm{1355071}}^1$

素因数の和:1355084

約数の個数: 20

約数和(自身を含む): 252043392

約数和(自身を除く): 143637712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1355071, 2710142, 5420284, 6775355, 10840568, 13550710, 21681136, 27101420, 54202840, 108405680]

約数ペア:

[(1, 108405680), (2, 54202840), (4, 27101420), (5, 21681136), (8, 13550710), (10, 10840568), (16, 6775355), (20, 5420284), (40, 2710142), (80, 1355071)]