164194540

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{5521}}^1$

素因数の和:7017

約数の個数: 24

約数和(自身を含む): 345102912

約数和(自身を除く): 180908372

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5521, 5948, 7435, 11042, 14870, 22084, 27605, 29740, 55210, 110420, 8209727, 16419454, 32838908, 41048635, 82097270, 164194540]

約数ペア:

[(1, 164194540), (2, 82097270), (4, 41048635), (5, 32838908), (10, 16419454), (20, 8209727), (1487, 110420), (2974, 55210), (5521, 29740), (5948, 27605), (7435, 22084), (11042, 14870)]