131197040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126151}}^1$

素因数の和:126177

約数の個数: 40

約数和(自身を含む): 328499808

約数和(自身を除く): 197302768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 126151, 252302, 504604, 630755, 1009208, 1261510, 1639963, 2018416, 2523020, 3279926, 5046040, 6559852, 8199815, 10092080, 13119704, 16399630, 26239408, 32799260, 65598520, 131197040]

約数ペア:

[(1, 131197040), (2, 65598520), (4, 32799260), (5, 26239408), (8, 16399630), (10, 13119704), (13, 10092080), (16, 8199815), (20, 6559852), (26, 5046040), (40, 3279926), (52, 2523020), (65, 2018416), (80, 1639963), (104, 1261510), (130, 1009208), (208, 630755), (260, 504604), (520, 252302), (1040, 126151)]