22145000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 53607840

約数和(自身を除く): 31462840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 103, 125, 172, 200, 206, 215, 250, 344, 412, 430, 500, 515, 625, 824, 860, 1000, 1030, 1075, 1250, 1720, 2060, 2150, 2500, 2575, 4120, 4300, 4429, 5000, 5150, 5375, 8600, 8858, 10300, 10750, 12875, 17716, 20600, 21500, 22145, 25750, 26875, 35432, 43000, 44290, 51500, 53750, 64375, 88580, 103000, 107500, 110725, 128750, 177160, 215000, 221450, 257500, 442900, 515000, 553625, 885800, 1107250, 2214500, 2768125, 4429000, 5536250, 11072500, 22145000]

約数ペア:

[(1, 22145000), (2, 11072500), (4, 5536250), (5, 4429000), (8, 2768125), (10, 2214500), (20, 1107250), (25, 885800), (40, 553625), (43, 515000), (50, 442900), (86, 257500), (100, 221450), (103, 215000), (125, 177160), (172, 128750), (200, 110725), (206, 107500), (215, 103000), (250, 88580), (344, 64375), (412, 53750), (430, 51500), (500, 44290), (515, 43000), (625, 35432), (824, 26875), (860, 25750), (1000, 22145), (1030, 21500), (1075, 20600), (1250, 17716), (1720, 12875), (2060, 10750), (2150, 10300), (2500, 8858), (2575, 8600), (4120, 5375), (4300, 5150), (4429, 5000)]