102645800

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1997}}^1$

素因数の和:2270

約数の個数: 48

約数和(自身を含む): 239700060

約数和(自身を除く): 137054260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 1997, 2056, 2570, 3994, 5140, 6425, 7988, 9985, 10280, 12850, 15976, 19970, 25700, 39940, 49925, 51400, 79880, 99850, 199700, 399400, 513229, 1026458, 2052916, 2566145, 4105832, 5132290, 10264580, 12830725, 20529160, 25661450, 51322900, 102645800]

約数ペア:

[(1, 102645800), (2, 51322900), (4, 25661450), (5, 20529160), (8, 12830725), (10, 10264580), (20, 5132290), (25, 4105832), (40, 2566145), (50, 2052916), (100, 1026458), (200, 513229), (257, 399400), (514, 199700), (1028, 99850), (1285, 79880), (1997, 51400), (2056, 49925), (2570, 39940), (3994, 25700), (5140, 19970), (6425, 15976), (7988, 12850), (9985, 10280)]