20178516400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313331}}^1$

素因数の和:313379

約数の個数: 120

約数和(自身を含む): 57813513984

約数和(自身を除く): 37634997584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 4025, 4600, 6440, 8050, 9200, 12880, 16100, 32200, 64400, 313331, 626662, 1253324, 1566655, 2193317, 2506648, 3133310, 4386634, 5013296, 6266620, 7206613, 7833275, 8773268, 10966585, 12533240, 14413226, 15666550, 17546536, 21933170, 25066480, 28826452, 31333100, 35093072, 36033065, 43866340, 50446291, 54832925, 57652904, 62666200, 72066130, 87732680, 100892582, 109665850, 115305808, 125332400, 144132260, 175465360, 180165325, 201785164, 219331700, 252231455, 288264520, 360330650, 403570328, 438663400, 504462910, 576529040, 720661300, 807140656, 877326800, 1008925820, 1261157275, 1441322600, 2017851640, 2522314550, 2882645200, 4035703280, 5044629100, 10089258200, 20178516400]

約数ペア:

[(1, 20178516400), (2, 10089258200), (4, 5044629100), (5, 4035703280), (7, 2882645200), (8, 2522314550), (10, 2017851640), (14, 1441322600), (16, 1261157275), (20, 1008925820), (23, 877326800), (25, 807140656), (28, 720661300), (35, 576529040), (40, 504462910), (46, 438663400), (50, 403570328), (56, 360330650), (70, 288264520), (80, 252231455), (92, 219331700), (100, 201785164), (112, 180165325), (115, 175465360), (140, 144132260), (161, 125332400), (175, 115305808), (184, 109665850), (200, 100892582), (230, 87732680), (280, 72066130), (322, 62666200), (350, 57652904), (368, 54832925), (400, 50446291), (460, 43866340), (560, 36033065), (575, 35093072), (644, 31333100), (700, 28826452), (805, 25066480), (920, 21933170), (1150, 17546536), (1288, 15666550), (1400, 14413226), (1610, 12533240), (1840, 10966585), (2300, 8773268), (2576, 7833275), (2800, 7206613), (3220, 6266620), (4025, 5013296), (4600, 4386634), (6440, 3133310), (8050, 2506648), (9200, 2193317), (12880, 1566655), (16100, 1253324), (32200, 626662), (64400, 313331)]