9572840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2689}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 21789000

約数和(自身を除く): 12216160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2689, 3560, 5378, 10756, 13445, 21512, 26890, 53780, 107560, 239321, 478642, 957284, 1196605, 1914568, 2393210, 4786420, 9572840]

約数ペア:

[(1, 9572840), (2, 4786420), (4, 2393210), (5, 1914568), (8, 1196605), (10, 957284), (20, 478642), (40, 239321), (89, 107560), (178, 53780), (356, 26890), (445, 21512), (712, 13445), (890, 10756), (1780, 5378), (2689, 3560)]