80294510

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 146750400

約数和(自身を除く): 66455890

約数列:

[1, 2, 5, 10, 157, 199, 257, 314, 398, 514, 785, 995, 1285, 1570, 1990, 2570, 31243, 40349, 51143, 62486, 80698, 102286, 156215, 201745, 255715, 312430, 403490, 511430, 8029451, 16058902, 40147255, 80294510]

約数ペア:

[(1, 80294510), (2, 40147255), (5, 16058902), (10, 8029451), (157, 511430), (199, 403490), (257, 312430), (314, 255715), (398, 201745), (514, 156215), (785, 102286), (995, 80698), (1285, 62486), (1570, 51143), (1990, 40349), (2570, 31243)]