81160048

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75709}}^1$

素因数の和:75784

約数の個数: 20

約数和(自身を含む): 159596680

約数和(自身を除く): 78436632

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75709, 151418, 302836, 605672, 1211344, 5072503, 10145006, 20290012, 40580024, 81160048]

約数ペア:

[(1, 81160048), (2, 40580024), (4, 20290012), (8, 10145006), (16, 5072503), (67, 1211344), (134, 605672), (268, 302836), (536, 151418), (1072, 75709)]