39998840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6211}}^1$

素因数の和:6252

約数の個数: 64

約数和(自身を含む): 107343360

約数和(自身を除く): 67344520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6211, 6440, 12422, 24844, 31055, 43477, 49688, 62110, 86954, 124220, 142853, 173908, 217385, 248440, 285706, 347816, 434770, 571412, 714265, 869540, 999971, 1142824, 1428530, 1739080, 1999942, 2857060, 3999884, 4999855, 5714120, 7999768, 9999710, 19999420, 39998840]

約数ペア:

[(1, 39998840), (2, 19999420), (4, 9999710), (5, 7999768), (7, 5714120), (8, 4999855), (10, 3999884), (14, 2857060), (20, 1999942), (23, 1739080), (28, 1428530), (35, 1142824), (40, 999971), (46, 869540), (56, 714265), (70, 571412), (92, 434770), (115, 347816), (140, 285706), (161, 248440), (184, 217385), (230, 173908), (280, 142853), (322, 124220), (460, 86954), (644, 62110), (805, 49688), (920, 43477), (1288, 31055), (1610, 24844), (3220, 12422), (6211, 6440)]