40320775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 54960768

約数和(自身を除く): 14639993

約数列:

[1, 5, 11, 25, 55, 151, 275, 755, 971, 1661, 3775, 4855, 8305, 10681, 24275, 41525, 53405, 146621, 267025, 733105, 1612831, 3665525, 8064155, 40320775]

約数ペア:

[(1, 40320775), (5, 8064155), (11, 3665525), (25, 1612831), (55, 733105), (151, 267025), (275, 146621), (755, 53405), (971, 41525), (1661, 24275), (3775, 10681), (4855, 8305)]