2005995280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2936

約数の個数: 80

約数和(自身を含む): 4774962240

約数和(自身を除く): 2768966960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 157, 236, 295, 314, 472, 590, 628, 785, 944, 1180, 1256, 1570, 2360, 2512, 2707, 3140, 4720, 5414, 6280, 9263, 10828, 12560, 13535, 18526, 21656, 27070, 37052, 43312, 46315, 54140, 74104, 92630, 108280, 148208, 159713, 185260, 216560, 319426, 370520, 424999, 638852, 741040, 798565, 849998, 1277704, 1597130, 1699996, 2124995, 2555408, 3194260, 3399992, 4249990, 6388520, 6799984, 8499980, 12777040, 16999960, 25074941, 33999920, 50149882, 100299764, 125374705, 200599528, 250749410, 401199056, 501498820, 1002997640, 2005995280]

約数ペア:

[(1, 2005995280), (2, 1002997640), (4, 501498820), (5, 401199056), (8, 250749410), (10, 200599528), (16, 125374705), (20, 100299764), (40, 50149882), (59, 33999920), (80, 25074941), (118, 16999960), (157, 12777040), (236, 8499980), (295, 6799984), (314, 6388520), (472, 4249990), (590, 3399992), (628, 3194260), (785, 2555408), (944, 2124995), (1180, 1699996), (1256, 1597130), (1570, 1277704), (2360, 849998), (2512, 798565), (2707, 741040), (3140, 638852), (4720, 424999), (5414, 370520), (6280, 319426), (9263, 216560), (10828, 185260), (12560, 159713), (13535, 148208), (18526, 108280), (21656, 92630), (27070, 74104), (37052, 54140), (43312, 46315)]