12568420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 27433728

約数和(自身を除く): 14865308

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 167, 212, 265, 284, 334, 355, 530, 668, 710, 835, 1060, 1420, 1670, 3340, 3763, 7526, 8851, 11857, 15052, 17702, 18815, 23714, 35404, 37630, 44255, 47428, 59285, 75260, 88510, 118570, 177020, 237140, 628421, 1256842, 2513684, 3142105, 6284210, 12568420]

約数ペア:

[(1, 12568420), (2, 6284210), (4, 3142105), (5, 2513684), (10, 1256842), (20, 628421), (53, 237140), (71, 177020), (106, 118570), (142, 88510), (167, 75260), (212, 59285), (265, 47428), (284, 44255), (334, 37630), (355, 35404), (530, 23714), (668, 18815), (710, 17702), (835, 15052), (1060, 11857), (1420, 8851), (1670, 7526), (3340, 3763)]