81306200

素因数分解:

$2^3\times 5^2\times {\mathrm{406531}}^1$

素因数の和:406547

約数の個数: 24

約数和(自身を含む): 189037380

約数和(自身を除く): 107731180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 406531, 813062, 1626124, 2032655, 3252248, 4065310, 8130620, 10163275, 16261240, 20326550, 40653100, 81306200]

約数ペア:

[(1, 81306200), (2, 40653100), (4, 20326550), (5, 16261240), (8, 10163275), (10, 8130620), (20, 4065310), (25, 3252248), (40, 2032655), (50, 1626124), (100, 813062), (200, 406531)]