38540420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66449}}^1$

素因数の和:66487

約数の個数: 24

約数和(自身を含む): 83727000

約数和(自身を除く): 45186580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 66449, 132898, 265796, 332245, 664490, 1328980, 1927021, 3854042, 7708084, 9635105, 19270210, 38540420]

約数ペア:

[(1, 38540420), (2, 19270210), (4, 9635105), (5, 7708084), (10, 3854042), (20, 1927021), (29, 1328980), (58, 664490), (116, 332245), (145, 265796), (290, 132898), (580, 66449)]