54440000

素因数分解:

$2^6\times 5^4\times {\mathrm{1361}}^1$

素因数の和:1393

約数の個数: 70

約数和(自身を含む): 135092694

約数和(自身を除く): 80652694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1361, 1600, 2000, 2500, 2722, 4000, 5000, 5444, 6805, 8000, 10000, 10888, 13610, 20000, 21776, 27220, 34025, 40000, 43552, 54440, 68050, 87104, 108880, 136100, 170125, 217760, 272200, 340250, 435520, 544400, 680500, 850625, 1088800, 1361000, 1701250, 2177600, 2722000, 3402500, 5444000, 6805000, 10888000, 13610000, 27220000, 54440000]

約数ペア:

[(1, 54440000), (2, 27220000), (4, 13610000), (5, 10888000), (8, 6805000), (10, 5444000), (16, 3402500), (20, 2722000), (25, 2177600), (32, 1701250), (40, 1361000), (50, 1088800), (64, 850625), (80, 680500), (100, 544400), (125, 435520), (160, 340250), (200, 272200), (250, 217760), (320, 170125), (400, 136100), (500, 108880), (625, 87104), (800, 68050), (1000, 54440), (1250, 43552), (1361, 40000), (1600, 34025), (2000, 27220), (2500, 21776), (2722, 20000), (4000, 13610), (5000, 10888), (5444, 10000), (6805, 8000)]