262634420

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{8101}}^1$

素因数の和:9731

約数の個数: 24

約数和(自身を含む): 551940648

約数和(自身を除く): 289306228

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8101, 8105, 16202, 16210, 32404, 32420, 40505, 81010, 162020, 13131721, 26263442, 52526884, 65658605, 131317210, 262634420]

約数ペア:

[(1, 262634420), (2, 131317210), (4, 65658605), (5, 52526884), (10, 26263442), (20, 13131721), (1621, 162020), (3242, 81010), (6484, 40505), (8101, 32420), (8105, 32404), (16202, 16210)]