48919940

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1987}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 102867072

約数和(自身を除く): 53947132

約数列:

[1, 2, 4, 5, 10, 20, 1231, 1987, 2462, 3974, 4924, 6155, 7948, 9935, 12310, 19870, 24620, 39740, 2445997, 4891994, 9783988, 12229985, 24459970, 48919940]

約数ペア:

[(1, 48919940), (2, 24459970), (4, 12229985), (5, 9783988), (10, 4891994), (20, 2445997), (1231, 39740), (1987, 24620), (2462, 19870), (3974, 12310), (4924, 9935), (6155, 7948)]