8120360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 18484200

約数和(自身を除く): 10363840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2281, 3560, 4562, 9124, 11405, 18248, 22810, 45620, 91240, 203009, 406018, 812036, 1015045, 1624072, 2030090, 4060180, 8120360]

約数ペア:

[(1, 8120360), (2, 4060180), (4, 2030090), (5, 1624072), (8, 1015045), (10, 812036), (20, 406018), (40, 203009), (89, 91240), (178, 45620), (356, 22810), (445, 18248), (712, 11405), (890, 9124), (1780, 4562), (2281, 3560)]