78873860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{303361}}^1$

素因数の和:303383

約数の個数: 24

約数和(自身を含む): 178376856

約数和(自身を除く): 99502996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 303361, 606722, 1213444, 1516805, 3033610, 3943693, 6067220, 7887386, 15774772, 19718465, 39436930, 78873860]

約数ペア:

[(1, 78873860), (2, 39436930), (4, 19718465), (5, 15774772), (10, 7887386), (13, 6067220), (20, 3943693), (26, 3033610), (52, 1516805), (65, 1213444), (130, 606722), (260, 303361)]