27220000

素因数分解:

$2^5\times 5^4\times {\mathrm{1361}}^1$

素因数の和:1391

約数の個数: 60

約数和(自身を含む): 67014486

約数和(自身を除く): 39794486

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1361, 2000, 2500, 2722, 4000, 5000, 5444, 6805, 10000, 10888, 13610, 20000, 21776, 27220, 34025, 43552, 54440, 68050, 108880, 136100, 170125, 217760, 272200, 340250, 544400, 680500, 850625, 1088800, 1361000, 1701250, 2722000, 3402500, 5444000, 6805000, 13610000, 27220000]

約数ペア:

[(1, 27220000), (2, 13610000), (4, 6805000), (5, 5444000), (8, 3402500), (10, 2722000), (16, 1701250), (20, 1361000), (25, 1088800), (32, 850625), (40, 680500), (50, 544400), (80, 340250), (100, 272200), (125, 217760), (160, 170125), (200, 136100), (250, 108880), (400, 68050), (500, 54440), (625, 43552), (800, 34025), (1000, 27220), (1250, 21776), (1361, 20000), (2000, 13610), (2500, 10888), (2722, 10000), (4000, 6805), (5000, 5444)]