2639820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43997}}^1$

素因数の和:44009

約数の個数: 24

約数和(自身を含む): 7391664

約数和(自身を除く): 4751844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 43997, 87994, 131991, 175988, 219985, 263982, 439970, 527964, 659955, 879940, 1319910, 2639820]

約数ペア:

[(1, 2639820), (2, 1319910), (3, 879940), (4, 659955), (5, 527964), (6, 439970), (10, 263982), (12, 219985), (15, 175988), (20, 131991), (30, 87994), (60, 43997)]