25450160

素因数分解:

$2^4\times 5^1\times {\mathrm{318127}}^1$

素因数の和:318140

約数の個数: 20

約数和(自身を含む): 59171808

約数和(自身を除く): 33721648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318127, 636254, 1272508, 1590635, 2545016, 3181270, 5090032, 6362540, 12725080, 25450160]

約数ペア:

[(1, 25450160), (2, 12725080), (4, 6362540), (5, 5090032), (8, 3181270), (10, 2545016), (16, 1590635), (20, 1272508), (40, 636254), (80, 318127)]