69906520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2851}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 157601520

約数和(自身を除く): 87695000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2851, 3065, 4904, 5702, 6130, 11404, 12260, 14255, 22808, 24520, 28510, 57020, 114040, 1747663, 3495326, 6990652, 8738315, 13981304, 17476630, 34953260, 69906520]

約数ペア:

[(1, 69906520), (2, 34953260), (4, 17476630), (5, 13981304), (8, 8738315), (10, 6990652), (20, 3495326), (40, 1747663), (613, 114040), (1226, 57020), (2452, 28510), (2851, 24520), (3065, 22808), (4904, 14255), (5702, 12260), (6130, 11404)]