858404720

素因数分解:

$2^4\times 5^1\times {\mathrm{10730059}}^1$

素因数の和:10730072

約数の個数: 20

約数和(自身を含む): 1995791160

約数和(自身を除く): 1137386440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10730059, 21460118, 42920236, 53650295, 85840472, 107300590, 171680944, 214601180, 429202360, 858404720]

約数ペア:

[(1, 858404720), (2, 429202360), (4, 214601180), (5, 171680944), (8, 107300590), (10, 85840472), (16, 53650295), (20, 42920236), (40, 21460118), (80, 10730059)]