131570240

素因数分解:

$2^6\times 5^1\times {\mathrm{411157}}^1$

素因数の和:411174

約数の個数: 28

約数和(自身を含む): 313302396

約数和(自身を除く): 181732156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 411157, 822314, 1644628, 2055785, 3289256, 4111570, 6578512, 8223140, 13157024, 16446280, 26314048, 32892560, 65785120, 131570240]

約数ペア:

[(1, 131570240), (2, 65785120), (4, 32892560), (5, 26314048), (8, 16446280), (10, 13157024), (16, 8223140), (20, 6578512), (32, 4111570), (40, 3289256), (64, 2055785), (80, 1644628), (160, 822314), (320, 411157)]