128420090

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{154723}}^1$

素因数の和:154813

約数の個数: 16

約数和(自身を含む): 233942688

約数和(自身を除く): 105522598

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 154723, 309446, 773615, 1547230, 12842009, 25684018, 64210045, 128420090]

約数ペア:

[(1, 128420090), (2, 64210045), (5, 25684018), (10, 12842009), (83, 1547230), (166, 773615), (415, 309446), (830, 154723)]