25218420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{420307}}^1$

素因数の和:420319

約数の個数: 24

約数和(自身を含む): 70611744

約数和(自身を除く): 45393324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 420307, 840614, 1260921, 1681228, 2101535, 2521842, 4203070, 5043684, 6304605, 8406140, 12609210, 25218420]

約数ペア:

[(1, 25218420), (2, 12609210), (3, 8406140), (4, 6304605), (5, 5043684), (6, 4203070), (10, 2521842), (12, 2101535), (15, 1681228), (20, 1260921), (30, 840614), (60, 420307)]