72807440

素因数分解:

$2^4\times 5^1\times {\mathrm{910093}}^1$

素因数の和:910106

約数の個数: 20

約数和(自身を含む): 169277484

約数和(自身を除く): 96470044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910093, 1820186, 3640372, 4550465, 7280744, 9100930, 14561488, 18201860, 36403720, 72807440]

約数ペア:

[(1, 72807440), (2, 36403720), (4, 18201860), (5, 14561488), (8, 9100930), (10, 7280744), (16, 4550465), (20, 3640372), (40, 1820186), (80, 910093)]