81985610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40387}}^1$

素因数の和:40430

約数の個数: 32

約数和(自身を含む): 174476160

約数和(自身を除く): 92490550

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 40387, 80774, 201935, 282709, 403870, 565418, 1171223, 1413545, 2342446, 2827090, 5856115, 8198561, 11712230, 16397122, 40992805, 81985610]

約数ペア:

[(1, 81985610), (2, 40992805), (5, 16397122), (7, 11712230), (10, 8198561), (14, 5856115), (29, 2827090), (35, 2342446), (58, 1413545), (70, 1171223), (145, 565418), (203, 403870), (290, 282709), (406, 201935), (1015, 80774), (2030, 40387)]