25667740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1319}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 36425060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1319, 1390, 1946, 2638, 2780, 3892, 4865, 5276, 6595, 9233, 9730, 13190, 18466, 19460, 26380, 36932, 46165, 92330, 183341, 184660, 366682, 733364, 916705, 1283387, 1833410, 2566774, 3666820, 5133548, 6416935, 12833870, 25667740]

約数ペア:

[(1, 25667740), (2, 12833870), (4, 6416935), (5, 5133548), (7, 3666820), (10, 2566774), (14, 1833410), (20, 1283387), (28, 916705), (35, 733364), (70, 366682), (139, 184660), (140, 183341), (278, 92330), (556, 46165), (695, 36932), (973, 26380), (1319, 19460), (1390, 18466), (1946, 13190), (2638, 9730), (2780, 9233), (3892, 6595), (4865, 5276)]