25911280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2063}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 60656832

約数和(自身を除く): 34745552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2063, 2512, 3140, 4126, 6280, 8252, 10315, 12560, 16504, 20630, 33008, 41260, 82520, 165040, 323891, 647782, 1295564, 1619455, 2591128, 3238910, 5182256, 6477820, 12955640, 25911280]

約数ペア:

[(1, 25911280), (2, 12955640), (4, 6477820), (5, 5182256), (8, 3238910), (10, 2591128), (16, 1619455), (20, 1295564), (40, 647782), (80, 323891), (157, 165040), (314, 82520), (628, 41260), (785, 33008), (1256, 20630), (1570, 16504), (2063, 12560), (2512, 10315), (3140, 8252), (4126, 6280)]