20187682400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{1583}}^1$

素因数の和:2461

約数の個数: 144

約数和(自身を含む): 51971673600

約数和(自身を除く): 31783991200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 839, 950, 1520, 1583, 1678, 1900, 3040, 3166, 3356, 3800, 4195, 6332, 6712, 7600, 7915, 8390, 12664, 13424, 15200, 15830, 15941, 16780, 20975, 25328, 26848, 30077, 31660, 31882, 33560, 39575, 41950, 50656, 60154, 63320, 63764, 67120, 79150, 79705, 83900, 120308, 126640, 127528, 134240, 150385, 158300, 159410, 167800, 240616, 253280, 255056, 300770, 316600, 318820, 335600, 398525, 481232, 510112, 601540, 633200, 637640, 671200, 751925, 797050, 962464, 1203080, 1266400, 1275280, 1328137, 1503850, 1594100, 2406160, 2550560, 2656274, 3007700, 3188200, 4812320, 5312548, 6015400, 6376400, 6640685, 10625096, 12030800, 12752800, 13281370, 21250192, 24061600, 25234603, 26562740, 33203425, 42500384, 50469206, 53125480, 66406850, 100938412, 106250960, 126173015, 132813700, 201876824, 212501920, 252346030, 265627400, 403753648, 504692060, 531254800, 630865075, 807507296, 1009384120, 1062509600, 1261730150, 2018768240, 2523460300, 4037536480, 5046920600, 10093841200, 20187682400]

約数ペア:

[(1, 20187682400), (2, 10093841200), (4, 5046920600), (5, 4037536480), (8, 2523460300), (10, 2018768240), (16, 1261730150), (19, 1062509600), (20, 1009384120), (25, 807507296), (32, 630865075), (38, 531254800), (40, 504692060), (50, 403753648), (76, 265627400), (80, 252346030), (95, 212501920), (100, 201876824), (152, 132813700), (160, 126173015), (190, 106250960), (200, 100938412), (304, 66406850), (380, 53125480), (400, 50469206), (475, 42500384), (608, 33203425), (760, 26562740), (800, 25234603), (839, 24061600), (950, 21250192), (1520, 13281370), (1583, 12752800), (1678, 12030800), (1900, 10625096), (3040, 6640685), (3166, 6376400), (3356, 6015400), (3800, 5312548), (4195, 4812320), (6332, 3188200), (6712, 3007700), (7600, 2656274), (7915, 2550560), (8390, 2406160), (12664, 1594100), (13424, 1503850), (15200, 1328137), (15830, 1275280), (15941, 1266400), (16780, 1203080), (20975, 962464), (25328, 797050), (26848, 751925), (30077, 671200), (31660, 637640), (31882, 633200), (33560, 601540), (39575, 510112), (41950, 481232), (50656, 398525), (60154, 335600), (63320, 318820), (63764, 316600), (67120, 300770), (79150, 255056), (79705, 253280), (83900, 240616), (120308, 167800), (126640, 159410), (127528, 158300), (134240, 150385)]