12825680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 35057280

約数和(自身を除く): 22231600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 619, 740, 1036, 1238, 1295, 1480, 2072, 2476, 2590, 2960, 3095, 4144, 4333, 4952, 5180, 6190, 8666, 9904, 10360, 12380, 17332, 20720, 21665, 22903, 24760, 34664, 43330, 45806, 49520, 69328, 86660, 91612, 114515, 160321, 173320, 183224, 229030, 320642, 346640, 366448, 458060, 641284, 801605, 916120, 1282568, 1603210, 1832240, 2565136, 3206420, 6412840, 12825680]

約数ペア:

[(1, 12825680), (2, 6412840), (4, 3206420), (5, 2565136), (7, 1832240), (8, 1603210), (10, 1282568), (14, 916120), (16, 801605), (20, 641284), (28, 458060), (35, 366448), (37, 346640), (40, 320642), (56, 229030), (70, 183224), (74, 173320), (80, 160321), (112, 114515), (140, 91612), (148, 86660), (185, 69328), (259, 49520), (280, 45806), (296, 43330), (370, 34664), (518, 24760), (560, 22903), (592, 21665), (619, 20720), (740, 17332), (1036, 12380), (1238, 10360), (1295, 9904), (1480, 8666), (2072, 6190), (2476, 5180), (2590, 4952), (2960, 4333), (3095, 4144)]