38865340

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5413}}^1$

素因数の和:5781

約数の個数: 24

約数和(自身を含む): 81859680

約数和(自身を除く): 42994340

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 5413, 7180, 10826, 21652, 27065, 54130, 108260, 1943267, 3886534, 7773068, 9716335, 19432670, 38865340]

約数ペア:

[(1, 38865340), (2, 19432670), (4, 9716335), (5, 7773068), (10, 3886534), (20, 1943267), (359, 108260), (718, 54130), (1436, 27065), (1795, 21652), (3590, 10826), (5413, 7180)]