7982000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 20852832

約数和(自身を除く): 12870832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 307, 325, 400, 500, 520, 614, 650, 1000, 1040, 1228, 1300, 1535, 1625, 2000, 2456, 2600, 3070, 3250, 3991, 4912, 5200, 6140, 6500, 7675, 7982, 12280, 13000, 15350, 15964, 19955, 24560, 26000, 30700, 31928, 38375, 39910, 61400, 63856, 76750, 79820, 99775, 122800, 153500, 159640, 199550, 307000, 319280, 399100, 498875, 614000, 798200, 997750, 1596400, 1995500, 3991000, 7982000]

約数ペア:

[(1, 7982000), (2, 3991000), (4, 1995500), (5, 1596400), (8, 997750), (10, 798200), (13, 614000), (16, 498875), (20, 399100), (25, 319280), (26, 307000), (40, 199550), (50, 159640), (52, 153500), (65, 122800), (80, 99775), (100, 79820), (104, 76750), (125, 63856), (130, 61400), (200, 39910), (208, 38375), (250, 31928), (260, 30700), (307, 26000), (325, 24560), (400, 19955), (500, 15964), (520, 15350), (614, 13000), (650, 12280), (1000, 7982), (1040, 7675), (1228, 6500), (1300, 6140), (1535, 5200), (1625, 4912), (2000, 3991), (2456, 3250), (2600, 3070)]