81663800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 203424480

約数和(自身を除く): 121760680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 46, 50, 82, 92, 100, 115, 164, 184, 200, 205, 230, 328, 410, 433, 460, 575, 820, 866, 920, 943, 1025, 1150, 1640, 1732, 1886, 2050, 2165, 2300, 3464, 3772, 4100, 4330, 4600, 4715, 7544, 8200, 8660, 9430, 9959, 10825, 17320, 17753, 18860, 19918, 21650, 23575, 35506, 37720, 39836, 43300, 47150, 49795, 71012, 79672, 86600, 88765, 94300, 99590, 142024, 177530, 188600, 199180, 248975, 355060, 398360, 408319, 443825, 497950, 710120, 816638, 887650, 995900, 1633276, 1775300, 1991800, 2041595, 3266552, 3550600, 4083190, 8166380, 10207975, 16332760, 20415950, 40831900, 81663800]

約数ペア:

[(1, 81663800), (2, 40831900), (4, 20415950), (5, 16332760), (8, 10207975), (10, 8166380), (20, 4083190), (23, 3550600), (25, 3266552), (40, 2041595), (41, 1991800), (46, 1775300), (50, 1633276), (82, 995900), (92, 887650), (100, 816638), (115, 710120), (164, 497950), (184, 443825), (200, 408319), (205, 398360), (230, 355060), (328, 248975), (410, 199180), (433, 188600), (460, 177530), (575, 142024), (820, 99590), (866, 94300), (920, 88765), (943, 86600), (1025, 79672), (1150, 71012), (1640, 49795), (1732, 47150), (1886, 43300), (2050, 39836), (2165, 37720), (2300, 35506), (3464, 23575), (3772, 21650), (4100, 19918), (4330, 18860), (4600, 17753), (4715, 17320), (7544, 10825), (8200, 9959), (8660, 9430)]