85370240

素因数分解:

$2^7\times 5^1\times {\mathrm{133391}}^1$

素因数の和:133410

約数の個数: 32

約数和(自身を含む): 204089760

約数和(自身を除く): 118719520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133391, 266782, 533564, 666955, 1067128, 1333910, 2134256, 2667820, 4268512, 5335640, 8537024, 10671280, 17074048, 21342560, 42685120, 85370240]

約数ペア:

[(1, 85370240), (2, 42685120), (4, 21342560), (5, 17074048), (8, 10671280), (10, 8537024), (16, 5335640), (20, 4268512), (32, 2667820), (40, 2134256), (64, 1333910), (80, 1067128), (128, 666955), (160, 533564), (320, 266782), (640, 133391)]