56223920

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1093}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 131043696

約数和(自身を除く): 74819776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1093, 1286, 2186, 2572, 3215, 4372, 5144, 5465, 6430, 8744, 10288, 10930, 12860, 17488, 21860, 25720, 43720, 51440, 87440, 702799, 1405598, 2811196, 3513995, 5622392, 7027990, 11244784, 14055980, 28111960, 56223920]

約数ペア:

[(1, 56223920), (2, 28111960), (4, 14055980), (5, 11244784), (8, 7027990), (10, 5622392), (16, 3513995), (20, 2811196), (40, 1405598), (80, 702799), (643, 87440), (1093, 51440), (1286, 43720), (2186, 25720), (2572, 21860), (3215, 17488), (4372, 12860), (5144, 10930), (5465, 10288), (6430, 8744)]