38890960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 94493952

約数和(自身を除く): 55602992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 167, 205, 284, 328, 334, 355, 410, 568, 656, 668, 710, 820, 835, 1136, 1336, 1420, 1640, 1670, 2672, 2840, 2911, 3280, 3340, 5680, 5822, 6680, 6847, 11644, 11857, 13360, 13694, 14555, 23288, 23714, 27388, 29110, 34235, 46576, 47428, 54776, 58220, 59285, 68470, 94856, 109552, 116440, 118570, 136940, 189712, 232880, 237140, 273880, 474280, 486137, 547760, 948560, 972274, 1944548, 2430685, 3889096, 4861370, 7778192, 9722740, 19445480, 38890960]

約数ペア:

[(1, 38890960), (2, 19445480), (4, 9722740), (5, 7778192), (8, 4861370), (10, 3889096), (16, 2430685), (20, 1944548), (40, 972274), (41, 948560), (71, 547760), (80, 486137), (82, 474280), (142, 273880), (164, 237140), (167, 232880), (205, 189712), (284, 136940), (328, 118570), (334, 116440), (355, 109552), (410, 94856), (568, 68470), (656, 59285), (668, 58220), (710, 54776), (820, 47428), (835, 46576), (1136, 34235), (1336, 29110), (1420, 27388), (1640, 23714), (1670, 23288), (2672, 14555), (2840, 13694), (2911, 13360), (3280, 11857), (3340, 11644), (5680, 6847), (5822, 6680)]