72128810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{554837}}^1$

素因数の和:554857

約数の個数: 16

約数和(自身を含む): 139819176

約数和(自身を除く): 67690366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 554837, 1109674, 2774185, 5548370, 7212881, 14425762, 36064405, 72128810]

約数ペア:

[(1, 72128810), (2, 36064405), (5, 14425762), (10, 7212881), (13, 5548370), (26, 2774185), (65, 1109674), (130, 554837)]