40004105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4231}}^1$

素因数の和:4328

約数の個数: 16

約数和(自身を含む): 50377728

約数和(自身を除く): 10373623

約数列:

[1, 5, 31, 61, 155, 305, 1891, 4231, 9455, 21155, 131161, 258091, 655805, 1290455, 8000821, 40004105]

約数ペア:

[(1, 40004105), (5, 8000821), (31, 1290455), (61, 655805), (155, 258091), (305, 131161), (1891, 21155), (4231, 9455)]