51801520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 76761680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 599, 752, 920, 940, 1081, 1198, 1840, 1880, 2162, 2396, 2995, 3760, 4324, 4792, 5405, 5990, 8648, 9584, 10810, 11980, 13777, 17296, 21620, 23960, 27554, 28153, 43240, 47920, 55108, 56306, 68885, 86480, 110216, 112612, 137770, 140765, 220432, 225224, 275540, 281530, 450448, 551080, 563060, 647519, 1102160, 1126120, 1295038, 2252240, 2590076, 3237595, 5180152, 6475190, 10360304, 12950380, 25900760, 51801520]

約数ペア:

[(1, 51801520), (2, 25900760), (4, 12950380), (5, 10360304), (8, 6475190), (10, 5180152), (16, 3237595), (20, 2590076), (23, 2252240), (40, 1295038), (46, 1126120), (47, 1102160), (80, 647519), (92, 563060), (94, 551080), (115, 450448), (184, 281530), (188, 275540), (230, 225224), (235, 220432), (368, 140765), (376, 137770), (460, 112612), (470, 110216), (599, 86480), (752, 68885), (920, 56306), (940, 55108), (1081, 47920), (1198, 43240), (1840, 28153), (1880, 27554), (2162, 23960), (2396, 21620), (2995, 17296), (3760, 13777), (4324, 11980), (4792, 10810), (5405, 9584), (5990, 8648)]