12252920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 30041280

約数和(自身を除く): 17788360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 487, 629, 680, 740, 974, 1258, 1480, 1948, 2435, 2516, 3145, 3896, 4870, 5032, 6290, 8279, 9740, 12580, 16558, 18019, 19480, 25160, 33116, 36038, 41395, 66232, 72076, 82790, 90095, 144152, 165580, 180190, 306323, 331160, 360380, 612646, 720760, 1225292, 1531615, 2450584, 3063230, 6126460, 12252920]

約数ペア:

[(1, 12252920), (2, 6126460), (4, 3063230), (5, 2450584), (8, 1531615), (10, 1225292), (17, 720760), (20, 612646), (34, 360380), (37, 331160), (40, 306323), (68, 180190), (74, 165580), (85, 144152), (136, 90095), (148, 82790), (170, 72076), (185, 66232), (296, 41395), (340, 36038), (370, 33116), (487, 25160), (629, 19480), (680, 18019), (740, 16558), (974, 12580), (1258, 9740), (1480, 8279), (1948, 6290), (2435, 5032), (2516, 4870), (3145, 3896)]