81797050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{39901}}^1$

素因数の和:39954

約数の個数: 24

約数和(自身を含む): 155857212

約数和(自身を除く): 74060162

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 39901, 79802, 199505, 399010, 997525, 1635941, 1995050, 3271882, 8179705, 16359410, 40898525, 81797050]

約数ペア:

[(1, 81797050), (2, 40898525), (5, 16359410), (10, 8179705), (25, 3271882), (41, 1995050), (50, 1635941), (82, 997525), (205, 399010), (410, 199505), (1025, 79802), (2050, 39901)]