172000

素因数分解:

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

素因数の和:68

約数の個数: 48

約数和(自身を含む): 432432

約数和(自身を除く): 260432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 400, 430, 500, 688, 800, 860, 1000, 1075, 1376, 1720, 2000, 2150, 3440, 4000, 4300, 5375, 6880, 8600, 10750, 17200, 21500, 34400, 43000, 86000, 172000]

約数ペア:

[(1, 172000), (2, 86000), (4, 43000), (5, 34400), (8, 21500), (10, 17200), (16, 10750), (20, 8600), (25, 6880), (32, 5375), (40, 4300), (43, 4000), (50, 3440), (80, 2150), (86, 2000), (100, 1720), (125, 1376), (160, 1075), (172, 1000), (200, 860), (215, 800), (250, 688), (344, 500), (400, 430)]