38665420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8089}}^1$

素因数の和:8337

約数の個数: 24

約数和(自身を含む): 81547200

約数和(自身を除く): 42881780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 8089, 16178, 32356, 40445, 80890, 161780, 1933271, 3866542, 7733084, 9666355, 19332710, 38665420]

約数ペア:

[(1, 38665420), (2, 19332710), (4, 9666355), (5, 7733084), (10, 3866542), (20, 1933271), (239, 161780), (478, 80890), (956, 40445), (1195, 32356), (2390, 16178), (4780, 8089)]