15306220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8599}}^1$

素因数の和:8697

約数の個数: 24

約数和(自身を含む): 32508000

約数和(自身を除く): 17201780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 8599, 17198, 34396, 42995, 85990, 171980, 765311, 1530622, 3061244, 3826555, 7653110, 15306220]

約数ペア:

[(1, 15306220), (2, 7653110), (4, 3826555), (5, 3061244), (10, 1530622), (20, 765311), (89, 171980), (178, 85990), (356, 42995), (445, 34396), (890, 17198), (1780, 8599)]