80521256

素因数分解:

$2^3\times {\mathrm{463}}^1\times {\mathrm{21739}}^1$

素因数の和:22208

約数の個数: 16

約数和(自身を含む): 151310400

約数和(自身を除く): 70789144

約数列:

[1, 2, 4, 8, 463, 926, 1852, 3704, 21739, 43478, 86956, 173912, 10065157, 20130314, 40260628, 80521256]

約数ペア:

[(1, 80521256), (2, 40260628), (4, 20130314), (8, 10065157), (463, 173912), (926, 86956), (1852, 43478), (3704, 21739)]