1320870850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2032109}}^1$

素因数の和:2032134

約数の個数: 24

約数和(自身を含む): 2645807220

約数和(自身を除く): 1324936370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 2032109, 4064218, 10160545, 20321090, 26417417, 50802725, 52834834, 101605450, 132087085, 264174170, 660435425, 1320870850]

約数ペア:

[(1, 1320870850), (2, 660435425), (5, 264174170), (10, 132087085), (13, 101605450), (25, 52834834), (26, 50802725), (50, 26417417), (65, 20321090), (130, 10160545), (325, 4064218), (650, 2032109)]