25760870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 22139290

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 431, 695, 862, 1390, 2155, 4310, 5977, 11954, 18533, 29885, 37066, 59770, 59909, 92665, 119818, 185330, 299545, 599090, 2576087, 5152174, 12880435, 25760870]

約数ペア:

[(1, 25760870), (2, 12880435), (5, 5152174), (10, 2576087), (43, 599090), (86, 299545), (139, 185330), (215, 119818), (278, 92665), (430, 59909), (431, 59770), (695, 37066), (862, 29885), (1390, 18533), (2155, 11954), (4310, 5977)]