55587820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 120748320

約数和(自身を除く): 65160500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 593, 860, 1090, 1186, 2180, 2372, 2965, 4687, 5930, 9374, 11860, 18748, 23435, 25499, 46870, 50998, 64637, 93740, 101996, 127495, 129274, 254990, 258548, 323185, 509980, 646370, 1292740, 2779391, 5558782, 11117564, 13896955, 27793910, 55587820]

約数ペア:

[(1, 55587820), (2, 27793910), (4, 13896955), (5, 11117564), (10, 5558782), (20, 2779391), (43, 1292740), (86, 646370), (109, 509980), (172, 323185), (215, 258548), (218, 254990), (430, 129274), (436, 127495), (545, 101996), (593, 93740), (860, 64637), (1090, 50998), (1186, 46870), (2180, 25499), (2372, 23435), (2965, 18748), (4687, 11860), (5930, 9374)]