31928000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 112

約数和(自身を含む): 85429344

約数和(自身を除く): 53501344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 307, 320, 325, 400, 416, 500, 520, 614, 650, 800, 832, 1000, 1040, 1228, 1300, 1535, 1600, 1625, 2000, 2080, 2456, 2600, 3070, 3250, 3991, 4000, 4160, 4912, 5200, 6140, 6500, 7675, 7982, 8000, 9824, 10400, 12280, 13000, 15350, 15964, 19648, 19955, 20800, 24560, 26000, 30700, 31928, 38375, 39910, 49120, 52000, 61400, 63856, 76750, 79820, 98240, 99775, 104000, 122800, 127712, 153500, 159640, 199550, 245600, 255424, 307000, 319280, 399100, 491200, 498875, 614000, 638560, 798200, 997750, 1228000, 1277120, 1596400, 1995500, 2456000, 3192800, 3991000, 6385600, 7982000, 15964000, 31928000]

約数ペア:

[(1, 31928000), (2, 15964000), (4, 7982000), (5, 6385600), (8, 3991000), (10, 3192800), (13, 2456000), (16, 1995500), (20, 1596400), (25, 1277120), (26, 1228000), (32, 997750), (40, 798200), (50, 638560), (52, 614000), (64, 498875), (65, 491200), (80, 399100), (100, 319280), (104, 307000), (125, 255424), (130, 245600), (160, 199550), (200, 159640), (208, 153500), (250, 127712), (260, 122800), (307, 104000), (320, 99775), (325, 98240), (400, 79820), (416, 76750), (500, 63856), (520, 61400), (614, 52000), (650, 49120), (800, 39910), (832, 38375), (1000, 31928), (1040, 30700), (1228, 26000), (1300, 24560), (1535, 20800), (1600, 19955), (1625, 19648), (2000, 15964), (2080, 15350), (2456, 13000), (2600, 12280), (3070, 10400), (3250, 9824), (3991, 8000), (4000, 7982), (4160, 7675), (4912, 6500), (5200, 6140)]