20075887360

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{138799}}^1$

素因数の和:138933

約数の個数: 72

約数和(自身を含む): 48513931200

約数和(自身を除く): 28438043840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 565, 640, 904, 1130, 1280, 1808, 2260, 3616, 4520, 7232, 9040, 14464, 18080, 28928, 36160, 72320, 138799, 144640, 277598, 555196, 693995, 1110392, 1387990, 2220784, 2775980, 4441568, 5551960, 8883136, 11103920, 15684287, 17766272, 22207840, 31368574, 35532544, 44415680, 62737148, 78421435, 88831360, 125474296, 156842870, 177662720, 250948592, 313685740, 501897184, 627371480, 1003794368, 1254742960, 2007588736, 2509485920, 4015177472, 5018971840, 10037943680, 20075887360]

約数ペア:

[(1, 20075887360), (2, 10037943680), (4, 5018971840), (5, 4015177472), (8, 2509485920), (10, 2007588736), (16, 1254742960), (20, 1003794368), (32, 627371480), (40, 501897184), (64, 313685740), (80, 250948592), (113, 177662720), (128, 156842870), (160, 125474296), (226, 88831360), (256, 78421435), (320, 62737148), (452, 44415680), (565, 35532544), (640, 31368574), (904, 22207840), (1130, 17766272), (1280, 15684287), (1808, 11103920), (2260, 8883136), (3616, 5551960), (4520, 4441568), (7232, 2775980), (9040, 2220784), (14464, 1387990), (18080, 1110392), (28928, 693995), (36160, 555196), (72320, 277598), (138799, 144640)]