8722520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 21600000

約数和(自身を除く): 12877480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 499, 760, 874, 920, 998, 1748, 1996, 2185, 2495, 3496, 3992, 4370, 4990, 8740, 9481, 9980, 11477, 17480, 18962, 19960, 22954, 37924, 45908, 47405, 57385, 75848, 91816, 94810, 114770, 189620, 218063, 229540, 379240, 436126, 459080, 872252, 1090315, 1744504, 2180630, 4361260, 8722520]

約数ペア:

[(1, 8722520), (2, 4361260), (4, 2180630), (5, 1744504), (8, 1090315), (10, 872252), (19, 459080), (20, 436126), (23, 379240), (38, 229540), (40, 218063), (46, 189620), (76, 114770), (92, 94810), (95, 91816), (115, 75848), (152, 57385), (184, 47405), (190, 45908), (230, 37924), (380, 22954), (437, 19960), (460, 18962), (499, 17480), (760, 11477), (874, 9980), (920, 9481), (998, 8740), (1748, 4990), (1996, 4370), (2185, 3992), (2495, 3496)]