201531140

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{4733}}^1$

素因数の和:6871

約数の個数: 24

約数和(自身を含む): 423503640

約数和(自身を除く): 221972500

約数列:

[1, 2, 4, 5, 10, 20, 2129, 4258, 4733, 8516, 9466, 10645, 18932, 21290, 23665, 42580, 47330, 94660, 10076557, 20153114, 40306228, 50382785, 100765570, 201531140]

約数ペア:

[(1, 201531140), (2, 100765570), (4, 50382785), (5, 40306228), (10, 20153114), (20, 10076557), (2129, 94660), (4258, 47330), (4733, 42580), (8516, 23665), (9466, 21290), (10645, 18932)]