20165404400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{3547}}^1$

素因数の和:3859

約数の個数: 120

約数和(自身を含む): 49466883024

約数和(自身を除く): 29301478624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 233, 244, 305, 400, 466, 488, 610, 932, 976, 1165, 1220, 1525, 1864, 2330, 2440, 3050, 3547, 3728, 4660, 4880, 5825, 6100, 7094, 9320, 11650, 12200, 14188, 14213, 17735, 18640, 23300, 24400, 28376, 28426, 35470, 46600, 56752, 56852, 70940, 71065, 88675, 93200, 113704, 141880, 142130, 177350, 216367, 227408, 283760, 284260, 354700, 355325, 432734, 568520, 709400, 710650, 826451, 865468, 1081835, 1137040, 1418800, 1421300, 1652902, 1730936, 2163670, 2842600, 3305804, 3461872, 4132255, 4327340, 5409175, 5685200, 6611608, 8264510, 8654680, 10818350, 13223216, 16529020, 17309360, 20661275, 21636700, 33058040, 41322550, 43273400, 50413511, 66116080, 82645100, 86546800, 100827022, 165290200, 201654044, 252067555, 330580400, 403308088, 504135110, 806616176, 1008270220, 1260337775, 2016540440, 2520675550, 4033080880, 5041351100, 10082702200, 20165404400]

約数ペア:

[(1, 20165404400), (2, 10082702200), (4, 5041351100), (5, 4033080880), (8, 2520675550), (10, 2016540440), (16, 1260337775), (20, 1008270220), (25, 806616176), (40, 504135110), (50, 403308088), (61, 330580400), (80, 252067555), (100, 201654044), (122, 165290200), (200, 100827022), (233, 86546800), (244, 82645100), (305, 66116080), (400, 50413511), (466, 43273400), (488, 41322550), (610, 33058040), (932, 21636700), (976, 20661275), (1165, 17309360), (1220, 16529020), (1525, 13223216), (1864, 10818350), (2330, 8654680), (2440, 8264510), (3050, 6611608), (3547, 5685200), (3728, 5409175), (4660, 4327340), (4880, 4132255), (5825, 3461872), (6100, 3305804), (7094, 2842600), (9320, 2163670), (11650, 1730936), (12200, 1652902), (14188, 1421300), (14213, 1418800), (17735, 1137040), (18640, 1081835), (23300, 865468), (24400, 826451), (28376, 710650), (28426, 709400), (35470, 568520), (46600, 432734), (56752, 355325), (56852, 354700), (70940, 284260), (71065, 283760), (88675, 227408), (93200, 216367), (113704, 177350), (141880, 142130)]