20565715400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1699}}^1\times {\mathrm{2087}}^1$

素因数の和:3831

約数の個数: 96

約数和(自身を含む): 49516920000

約数和(自身を除く): 28951204600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 1699, 2087, 2900, 3398, 4174, 5800, 6796, 8348, 8495, 10435, 13592, 16696, 16990, 20870, 33980, 41740, 42475, 49271, 52175, 60523, 67960, 83480, 84950, 98542, 104350, 121046, 169900, 197084, 208700, 242092, 246355, 302615, 339800, 394168, 417400, 484184, 492710, 605230, 985420, 1210460, 1231775, 1513075, 1970840, 2420920, 2463550, 3026150, 3545813, 4927100, 6052300, 7091626, 9854200, 12104600, 14183252, 17729065, 28366504, 35458130, 70916260, 88645325, 102828577, 141832520, 177290650, 205657154, 354581300, 411314308, 514142885, 709162600, 822628616, 1028285770, 2056571540, 2570714425, 4113143080, 5141428850, 10282857700, 20565715400]

約数ペア:

[(1, 20565715400), (2, 10282857700), (4, 5141428850), (5, 4113143080), (8, 2570714425), (10, 2056571540), (20, 1028285770), (25, 822628616), (29, 709162600), (40, 514142885), (50, 411314308), (58, 354581300), (100, 205657154), (116, 177290650), (145, 141832520), (200, 102828577), (232, 88645325), (290, 70916260), (580, 35458130), (725, 28366504), (1160, 17729065), (1450, 14183252), (1699, 12104600), (2087, 9854200), (2900, 7091626), (3398, 6052300), (4174, 4927100), (5800, 3545813), (6796, 3026150), (8348, 2463550), (8495, 2420920), (10435, 1970840), (13592, 1513075), (16696, 1231775), (16990, 1210460), (20870, 985420), (33980, 605230), (41740, 492710), (42475, 484184), (49271, 417400), (52175, 394168), (60523, 339800), (67960, 302615), (83480, 246355), (84950, 242092), (98542, 208700), (104350, 197084), (121046, 169900)]