78823810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2719}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 153538560

約数和(自身を除く): 74714750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2719, 2899, 5438, 5798, 13595, 14495, 27190, 28990, 35347, 70694, 176735, 353470, 606337, 1212674, 3031685, 6063370, 7882381, 15764762, 39411905, 78823810]

約数ペア:

[(1, 78823810), (2, 39411905), (5, 15764762), (10, 7882381), (13, 6063370), (26, 3031685), (65, 1212674), (130, 606337), (223, 353470), (446, 176735), (1115, 70694), (2230, 35347), (2719, 28990), (2899, 27190), (5438, 14495), (5798, 13595)]