129556400

素因数分解:

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

素因数の和:2238

約数の個数: 60

約数和(自身を含む): 313393632

約数和(自身を除く): 183837232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1256, 1570, 2063, 2512, 3140, 3925, 4126, 6280, 7850, 8252, 10315, 12560, 15700, 16504, 20630, 31400, 33008, 41260, 51575, 62800, 82520, 103150, 165040, 206300, 323891, 412600, 647782, 825200, 1295564, 1619455, 2591128, 3238910, 5182256, 6477820, 8097275, 12955640, 16194550, 25911280, 32389100, 64778200, 129556400]

約数ペア:

[(1, 129556400), (2, 64778200), (4, 32389100), (5, 25911280), (8, 16194550), (10, 12955640), (16, 8097275), (20, 6477820), (25, 5182256), (40, 3238910), (50, 2591128), (80, 1619455), (100, 1295564), (157, 825200), (200, 647782), (314, 412600), (400, 323891), (628, 206300), (785, 165040), (1256, 103150), (1570, 82520), (2063, 62800), (2512, 51575), (3140, 41260), (3925, 33008), (4126, 31400), (6280, 20630), (7850, 16504), (8252, 15700), (10315, 12560)]