56399560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2926

約数の個数: 64

約数和(自身を含む): 147121920

約数和(自身を除く): 90722360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2837, 2840, 3976, 4970, 5674, 9940, 11348, 14185, 19859, 19880, 22696, 28370, 39718, 56740, 79436, 99295, 113480, 158872, 198590, 201427, 397180, 402854, 794360, 805708, 1007135, 1409989, 1611416, 2014270, 2819978, 4028540, 5639956, 7049945, 8057080, 11279912, 14099890, 28199780, 56399560]

約数ペア:

[(1, 56399560), (2, 28199780), (4, 14099890), (5, 11279912), (7, 8057080), (8, 7049945), (10, 5639956), (14, 4028540), (20, 2819978), (28, 2014270), (35, 1611416), (40, 1409989), (56, 1007135), (70, 805708), (71, 794360), (140, 402854), (142, 397180), (280, 201427), (284, 198590), (355, 158872), (497, 113480), (568, 99295), (710, 79436), (994, 56740), (1420, 39718), (1988, 28370), (2485, 22696), (2837, 19880), (2840, 19859), (3976, 14185), (4970, 11348), (5674, 9940)]