108880000

素因数分解:

$2^7\times 5^4\times {\mathrm{1361}}^1$

素因数の和:1395

約数の個数: 80

約数和(自身を含む): 271249110

約数和(自身を除く): 162369110

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1361, 1600, 2000, 2500, 2722, 3200, 4000, 5000, 5444, 6805, 8000, 10000, 10888, 13610, 16000, 20000, 21776, 27220, 34025, 40000, 43552, 54440, 68050, 80000, 87104, 108880, 136100, 170125, 174208, 217760, 272200, 340250, 435520, 544400, 680500, 850625, 871040, 1088800, 1361000, 1701250, 2177600, 2722000, 3402500, 4355200, 5444000, 6805000, 10888000, 13610000, 21776000, 27220000, 54440000, 108880000]

約数ペア:

[(1, 108880000), (2, 54440000), (4, 27220000), (5, 21776000), (8, 13610000), (10, 10888000), (16, 6805000), (20, 5444000), (25, 4355200), (32, 3402500), (40, 2722000), (50, 2177600), (64, 1701250), (80, 1361000), (100, 1088800), (125, 871040), (128, 850625), (160, 680500), (200, 544400), (250, 435520), (320, 340250), (400, 272200), (500, 217760), (625, 174208), (640, 170125), (800, 136100), (1000, 108880), (1250, 87104), (1361, 80000), (1600, 68050), (2000, 54440), (2500, 43552), (2722, 40000), (3200, 34025), (4000, 27220), (5000, 21776), (5444, 20000), (6805, 16000), (8000, 13610), (10000, 10888)]