78892060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{303431}}^1$

素因数の和:303453

約数の個数: 24

約数和(自身を含む): 178418016

約数和(自身を除く): 99525956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 303431, 606862, 1213724, 1517155, 3034310, 3944603, 6068620, 7889206, 15778412, 19723015, 39446030, 78892060]

約数ペア:

[(1, 78892060), (2, 39446030), (4, 19723015), (5, 15778412), (10, 7889206), (13, 6068620), (20, 3944603), (26, 3034310), (52, 1517155), (65, 1213724), (130, 606862), (260, 303431)]