8240590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 15422400

約数和(自身を除く): 7181810

約数列:

[1, 2, 5, 10, 41, 82, 101, 199, 202, 205, 398, 410, 505, 995, 1010, 1990, 4141, 8159, 8282, 16318, 20099, 20705, 40198, 40795, 41410, 81590, 100495, 200990, 824059, 1648118, 4120295, 8240590]

約数ペア:

[(1, 8240590), (2, 4120295), (5, 1648118), (10, 824059), (41, 200990), (82, 100495), (101, 81590), (199, 41410), (202, 40795), (205, 40198), (398, 20705), (410, 20099), (505, 16318), (995, 8282), (1010, 8159), (1990, 4141)]