20165892400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{28499}}^1$

素因数の和:28607

約数の個数: 120

約数和(自身を含む): 50942610000

約数和(自身を除く): 30776717600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 61, 80, 100, 116, 122, 145, 200, 232, 244, 290, 305, 400, 464, 488, 580, 610, 725, 976, 1160, 1220, 1450, 1525, 1769, 2320, 2440, 2900, 3050, 3538, 4880, 5800, 6100, 7076, 8845, 11600, 12200, 14152, 17690, 24400, 28304, 28499, 35380, 44225, 56998, 70760, 88450, 113996, 141520, 142495, 176900, 227992, 284990, 353800, 455984, 569980, 707600, 712475, 826471, 1139960, 1424950, 1652942, 1738439, 2279920, 2849900, 3305884, 3476878, 4132355, 5699800, 6611768, 6953756, 8264710, 8692195, 11399600, 13223536, 13907512, 16529420, 17384390, 20661775, 27815024, 33058840, 34768780, 41323550, 43460975, 50414731, 66117680, 69537560, 82647100, 86921950, 100829462, 139075120, 165294200, 173843900, 201658924, 252073655, 330588400, 347687800, 403317848, 504147310, 695375600, 806635696, 1008294620, 1260368275, 2016589240, 2520736550, 4033178480, 5041473100, 10082946200, 20165892400]

約数ペア:

[(1, 20165892400), (2, 10082946200), (4, 5041473100), (5, 4033178480), (8, 2520736550), (10, 2016589240), (16, 1260368275), (20, 1008294620), (25, 806635696), (29, 695375600), (40, 504147310), (50, 403317848), (58, 347687800), (61, 330588400), (80, 252073655), (100, 201658924), (116, 173843900), (122, 165294200), (145, 139075120), (200, 100829462), (232, 86921950), (244, 82647100), (290, 69537560), (305, 66117680), (400, 50414731), (464, 43460975), (488, 41323550), (580, 34768780), (610, 33058840), (725, 27815024), (976, 20661775), (1160, 17384390), (1220, 16529420), (1450, 13907512), (1525, 13223536), (1769, 11399600), (2320, 8692195), (2440, 8264710), (2900, 6953756), (3050, 6611768), (3538, 5699800), (4880, 4132355), (5800, 3476878), (6100, 3305884), (7076, 2849900), (8845, 2279920), (11600, 1738439), (12200, 1652942), (14152, 1424950), (17690, 1139960), (24400, 826471), (28304, 712475), (28499, 707600), (35380, 569980), (44225, 455984), (56998, 353800), (70760, 284990), (88450, 227992), (113996, 176900), (141520, 142495)]