90321740

素因数分解:

$2^2\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{3121}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 189867552

約数和(自身を除く): 99545812

約数列:

[1, 2, 4, 5, 10, 20, 1447, 2894, 3121, 5788, 6242, 7235, 12484, 14470, 15605, 28940, 31210, 62420, 4516087, 9032174, 18064348, 22580435, 45160870, 90321740]

約数ペア:

[(1, 90321740), (2, 45160870), (4, 22580435), (5, 18064348), (10, 9032174), (20, 4516087), (1447, 62420), (2894, 31210), (3121, 28940), (5788, 15605), (6242, 14470), (7235, 12484)]