56774440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19991}}^1$

素因数の和:20073

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 72773720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19991, 39982, 79964, 99955, 159928, 199910, 399820, 799640, 1419361, 2838722, 5677444, 7096805, 11354888, 14193610, 28387220, 56774440]

約数ペア:

[(1, 56774440), (2, 28387220), (4, 14193610), (5, 11354888), (8, 7096805), (10, 5677444), (20, 2838722), (40, 1419361), (71, 799640), (142, 399820), (284, 199910), (355, 159928), (568, 99955), (710, 79964), (1420, 39982), (2840, 19991)]