15242140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8563}}^1$

素因数の和:8661

約数の個数: 24

約数和(自身を含む): 32371920

約数和(自身を除く): 17129780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 8563, 17126, 34252, 42815, 85630, 171260, 762107, 1524214, 3048428, 3810535, 7621070, 15242140]

約数ペア:

[(1, 15242140), (2, 7621070), (4, 3810535), (5, 3048428), (10, 1524214), (20, 762107), (89, 171260), (178, 85630), (356, 42815), (445, 34252), (890, 17126), (1780, 8563)]