4998500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 11771760

約数和(自身を除く): 6773260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 769, 1300, 1538, 1625, 3076, 3250, 3845, 6500, 7690, 9997, 15380, 19225, 19994, 38450, 39988, 49985, 76900, 96125, 99970, 192250, 199940, 249925, 384500, 499850, 999700, 1249625, 2499250, 4998500]

約数ペア:

[(1, 4998500), (2, 2499250), (4, 1249625), (5, 999700), (10, 499850), (13, 384500), (20, 249925), (25, 199940), (26, 192250), (50, 99970), (52, 96125), (65, 76900), (100, 49985), (125, 39988), (130, 38450), (250, 19994), (260, 19225), (325, 15380), (500, 9997), (650, 7690), (769, 6500), (1300, 3845), (1538, 3250), (1625, 3076)]