71345772880

素因数分解:

$2^4\times 5^1\times {\mathrm{891822161}}^1$

素因数の和:891822174

約数の個数: 20

約数和(自身を含む): 165878922132

約数和(自身を除く): 94533149252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891822161, 1783644322, 3567288644, 4459110805, 7134577288, 8918221610, 14269154576, 17836443220, 35672886440, 71345772880]

約数ペア:

[(1, 71345772880), (2, 35672886440), (4, 17836443220), (5, 14269154576), (8, 8918221610), (10, 7134577288), (16, 4459110805), (20, 3567288644), (40, 1783644322), (80, 891822161)]