19960030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 17325890

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 547, 890, 1094, 2735, 3649, 5470, 7298, 18245, 22427, 36490, 44854, 48683, 97366, 112135, 224270, 243415, 486830, 1996003, 3992006, 9980015, 19960030]

約数ペア:

[(1, 19960030), (2, 9980015), (5, 3992006), (10, 1996003), (41, 486830), (82, 243415), (89, 224270), (178, 112135), (205, 97366), (410, 48683), (445, 44854), (547, 36490), (890, 22427), (1094, 18245), (2735, 7298), (3649, 5470)]