20051036000

素因数分解:

$2^5\times 5^3\times {\mathrm{281}}^1\times {\mathrm{17839}}^1$

素因数の和:18145

約数の個数: 96

約数和(自身を含む): 49443488640

約数和(自身を除く): 29392452640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 281, 400, 500, 562, 800, 1000, 1124, 1405, 2000, 2248, 2810, 4000, 4496, 5620, 7025, 8992, 11240, 14050, 17839, 22480, 28100, 35125, 35678, 44960, 56200, 70250, 71356, 89195, 112400, 140500, 142712, 178390, 224800, 281000, 285424, 356780, 445975, 562000, 570848, 713560, 891950, 1124000, 1427120, 1783900, 2229875, 2854240, 3567800, 4459750, 5012759, 7135600, 8919500, 10025518, 14271200, 17839000, 20051036, 25063795, 35678000, 40102072, 50127590, 71356000, 80204144, 100255180, 125318975, 160408288, 200510360, 250637950, 401020720, 501275900, 626594875, 802041440, 1002551800, 1253189750, 2005103600, 2506379500, 4010207200, 5012759000, 10025518000, 20051036000]

約数ペア:

[(1, 20051036000), (2, 10025518000), (4, 5012759000), (5, 4010207200), (8, 2506379500), (10, 2005103600), (16, 1253189750), (20, 1002551800), (25, 802041440), (32, 626594875), (40, 501275900), (50, 401020720), (80, 250637950), (100, 200510360), (125, 160408288), (160, 125318975), (200, 100255180), (250, 80204144), (281, 71356000), (400, 50127590), (500, 40102072), (562, 35678000), (800, 25063795), (1000, 20051036), (1124, 17839000), (1405, 14271200), (2000, 10025518), (2248, 8919500), (2810, 7135600), (4000, 5012759), (4496, 4459750), (5620, 3567800), (7025, 2854240), (8992, 2229875), (11240, 1783900), (14050, 1427120), (17839, 1124000), (22480, 891950), (28100, 713560), (35125, 570848), (35678, 562000), (44960, 445975), (56200, 356780), (70250, 285424), (71356, 281000), (89195, 224800), (112400, 178390), (140500, 142712)]