2497960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 5666760

約数和(自身を除く): 3168800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 317, 394, 634, 788, 985, 1268, 1576, 1585, 1970, 2536, 3170, 3940, 6340, 7880, 12680, 62449, 124898, 249796, 312245, 499592, 624490, 1248980, 2497960]

約数ペア:

[(1, 2497960), (2, 1248980), (4, 624490), (5, 499592), (8, 312245), (10, 249796), (20, 124898), (40, 62449), (197, 12680), (317, 7880), (394, 6340), (634, 3940), (788, 3170), (985, 2536), (1268, 1970), (1576, 1585)]