25245920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22541}}^1$

素因数の和:22563

約数の個数: 48

約数和(自身を含む): 68167008

約数和(自身を除く): 42921088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22541, 45082, 90164, 112705, 157787, 180328, 225410, 315574, 360656, 450820, 631148, 721312, 788935, 901640, 1262296, 1577870, 1803280, 2524592, 3155740, 3606560, 5049184, 6311480, 12622960, 25245920]

約数ペア:

[(1, 25245920), (2, 12622960), (4, 6311480), (5, 5049184), (7, 3606560), (8, 3155740), (10, 2524592), (14, 1803280), (16, 1577870), (20, 1262296), (28, 901640), (32, 788935), (35, 721312), (40, 631148), (56, 450820), (70, 360656), (80, 315574), (112, 225410), (140, 180328), (160, 157787), (224, 112705), (280, 90164), (560, 45082), (1120, 22541)]