90782180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{156521}}^1$

素因数の和:156559

約数の個数: 24

約数和(自身を含む): 197217720

約数和(自身を除く): 106435540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 156521, 313042, 626084, 782605, 1565210, 3130420, 4539109, 9078218, 18156436, 22695545, 45391090, 90782180]

約数ペア:

[(1, 90782180), (2, 45391090), (4, 22695545), (5, 18156436), (10, 9078218), (20, 4539109), (29, 3130420), (58, 1565210), (116, 782605), (145, 626084), (290, 313042), (580, 156521)]