38745620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19181}}^1$

素因数の和:19291

約数の個数: 24

約数和(自身を含む): 82175688

約数和(自身を除く): 43430068

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 19181, 38362, 76724, 95905, 191810, 383620, 1937281, 3874562, 7749124, 9686405, 19372810, 38745620]

約数ペア:

[(1, 38745620), (2, 19372810), (4, 9686405), (5, 7749124), (10, 3874562), (20, 1937281), (101, 383620), (202, 191810), (404, 95905), (505, 76724), (1010, 38362), (2020, 19181)]