51580780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16427}}^1$

素因数の和:16593

約数の個数: 24

約数和(自身を含む): 109016208

約数和(自身を除く): 57435428

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 16427, 32854, 65708, 82135, 164270, 328540, 2579039, 5158078, 10316156, 12895195, 25790390, 51580780]

約数ペア:

[(1, 51580780), (2, 25790390), (4, 12895195), (5, 10316156), (10, 5158078), (20, 2579039), (157, 328540), (314, 164270), (628, 82135), (785, 65708), (1570, 32854), (3140, 16427)]