87802520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168851}}^1$

素因数の和:168875

約数の個数: 32

約数和(自身を含む): 212753520

約数和(自身を除く): 124951000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 168851, 337702, 675404, 844255, 1350808, 1688510, 2195063, 3377020, 4390126, 6754040, 8780252, 10975315, 17560504, 21950630, 43901260, 87802520]

約数ペア:

[(1, 87802520), (2, 43901260), (4, 21950630), (5, 17560504), (8, 10975315), (10, 8780252), (13, 6754040), (20, 4390126), (26, 3377020), (40, 2195063), (52, 1688510), (65, 1350808), (104, 844255), (130, 675404), (260, 337702), (520, 168851)]