1118000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 2978976

約数和(自身を除く): 1860976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 125, 130, 172, 200, 208, 215, 250, 260, 325, 344, 400, 430, 500, 520, 559, 650, 688, 860, 1000, 1040, 1075, 1118, 1300, 1625, 1720, 2000, 2150, 2236, 2600, 2795, 3250, 3440, 4300, 4472, 5200, 5375, 5590, 6500, 8600, 8944, 10750, 11180, 13000, 13975, 17200, 21500, 22360, 26000, 27950, 43000, 44720, 55900, 69875, 86000, 111800, 139750, 223600, 279500, 559000, 1118000]

約数ペア:

[(1, 1118000), (2, 559000), (4, 279500), (5, 223600), (8, 139750), (10, 111800), (13, 86000), (16, 69875), (20, 55900), (25, 44720), (26, 43000), (40, 27950), (43, 26000), (50, 22360), (52, 21500), (65, 17200), (80, 13975), (86, 13000), (100, 11180), (104, 10750), (125, 8944), (130, 8600), (172, 6500), (200, 5590), (208, 5375), (215, 5200), (250, 4472), (260, 4300), (325, 3440), (344, 3250), (400, 2795), (430, 2600), (500, 2236), (520, 2150), (559, 2000), (650, 1720), (688, 1625), (860, 1300), (1000, 1118), (1040, 1075)]