517367080

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{19991}}^1$

素因数の和:20649

約数の個数: 32

約数和(自身を含む): 1165933440

約数和(自身を除く): 648566360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 19991, 25880, 39982, 79964, 99955, 159928, 199910, 399820, 799640, 12934177, 25868354, 51736708, 64670885, 103473416, 129341770, 258683540, 517367080]

約数ペア:

[(1, 517367080), (2, 258683540), (4, 129341770), (5, 103473416), (8, 64670885), (10, 51736708), (20, 25868354), (40, 12934177), (647, 799640), (1294, 399820), (2588, 199910), (3235, 159928), (5176, 99955), (6470, 79964), (12940, 39982), (19991, 25880)]