25428620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 62690880

約数和(自身を除く): 37262260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 4909, 5180, 9818, 19636, 24545, 34363, 49090, 68726, 98180, 137452, 171815, 181633, 343630, 363266, 687260, 726532, 908165, 1271431, 1816330, 2542862, 3632660, 5085724, 6357155, 12714310, 25428620]

約数ペア:

[(1, 25428620), (2, 12714310), (4, 6357155), (5, 5085724), (7, 3632660), (10, 2542862), (14, 1816330), (20, 1271431), (28, 908165), (35, 726532), (37, 687260), (70, 363266), (74, 343630), (140, 181633), (148, 171815), (185, 137452), (259, 98180), (370, 68726), (518, 49090), (740, 34363), (1036, 24545), (1295, 19636), (2590, 9818), (4909, 5180)]