40271225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 51793560

約数和(自身を除く): 11522335

約数列:

[1, 5, 25, 41, 101, 205, 389, 505, 1025, 1945, 2525, 4141, 9725, 15949, 20705, 39289, 79745, 103525, 196445, 398725, 982225, 1610849, 8054245, 40271225]

約数ペア:

[(1, 40271225), (5, 8054245), (25, 1610849), (41, 982225), (101, 398725), (205, 196445), (389, 103525), (505, 79745), (1025, 39289), (1945, 20705), (2525, 15949), (4141, 9725)]