40705015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20201}}^1$

素因数の和:20250

約数の個数: 16

約数和(自身を含む): 54302976

約数和(自身を除く): 13597961

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 20201, 101005, 262613, 626231, 1313065, 3131155, 8141003, 40705015]

約数ペア:

[(1, 40705015), (5, 8141003), (13, 3131155), (31, 1313065), (65, 626231), (155, 262613), (403, 101005), (2015, 20201)]