25081090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28181}}^1$

素因数の和:28277

約数の個数: 16

約数和(自身を含む): 45654840

約数和(自身を除く): 20573750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28181, 56362, 140905, 281810, 2508109, 5016218, 12540545, 25081090]

約数ペア:

[(1, 25081090), (2, 12540545), (5, 5016218), (10, 2508109), (89, 281810), (178, 140905), (445, 56362), (890, 28181)]