69912520

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1663}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 157547520

約数和(自身を除く): 87635000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1663, 2102, 3326, 4204, 5255, 6652, 8315, 8408, 10510, 13304, 16630, 21020, 33260, 42040, 66520, 1747813, 3495626, 6991252, 8739065, 13982504, 17478130, 34956260, 69912520]

約数ペア:

[(1, 69912520), (2, 34956260), (4, 17478130), (5, 13982504), (8, 8739065), (10, 6991252), (20, 3495626), (40, 1747813), (1051, 66520), (1663, 42040), (2102, 33260), (3326, 21020), (4204, 16630), (5255, 13304), (6652, 10510), (8315, 8408)]