63867400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 149337540

約数和(自身を除く): 85470140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1621, 1970, 3242, 3940, 4925, 6484, 7880, 8105, 9850, 12968, 16210, 19700, 32420, 39400, 40525, 64840, 81050, 162100, 319337, 324200, 638674, 1277348, 1596685, 2554696, 3193370, 6386740, 7983425, 12773480, 15966850, 31933700, 63867400]

約数ペア:

[(1, 63867400), (2, 31933700), (4, 15966850), (5, 12773480), (8, 7983425), (10, 6386740), (20, 3193370), (25, 2554696), (40, 1596685), (50, 1277348), (100, 638674), (197, 324200), (200, 319337), (394, 162100), (788, 81050), (985, 64840), (1576, 40525), (1621, 39400), (1970, 32420), (3242, 19700), (3940, 16210), (4925, 12968), (6484, 9850), (7880, 8105)]