38645780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47129}}^1$

素因数の和:47179

約数の個数: 24

約数和(自身を含む): 83137320

約数和(自身を除く): 44491540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 47129, 94258, 188516, 235645, 471290, 942580, 1932289, 3864578, 7729156, 9661445, 19322890, 38645780]

約数ペア:

[(1, 38645780), (2, 19322890), (4, 9661445), (5, 7729156), (10, 3864578), (20, 1932289), (41, 942580), (82, 471290), (164, 235645), (205, 188516), (410, 94258), (820, 47129)]