78687565720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1\times {\mathrm{80911}}^1$

素因数の和:81556

約数の個数: 64

約数和(自身を含む): 181673331840

約数和(自身を除く): 102985766120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 593, 820, 1186, 1640, 2372, 2965, 4744, 5930, 11860, 23720, 24313, 48626, 80911, 97252, 121565, 161822, 194504, 243130, 323644, 404555, 486260, 647288, 809110, 972520, 1618220, 3236440, 3317351, 6634702, 13269404, 16586755, 26538808, 33173510, 47980223, 66347020, 95960446, 132694040, 191920892, 239901115, 383841784, 479802230, 959604460, 1919208920, 1967189143, 3934378286, 7868756572, 9835945715, 15737513144, 19671891430, 39343782860, 78687565720]

約数ペア:

[(1, 78687565720), (2, 39343782860), (4, 19671891430), (5, 15737513144), (8, 9835945715), (10, 7868756572), (20, 3934378286), (40, 1967189143), (41, 1919208920), (82, 959604460), (164, 479802230), (205, 383841784), (328, 239901115), (410, 191920892), (593, 132694040), (820, 95960446), (1186, 66347020), (1640, 47980223), (2372, 33173510), (2965, 26538808), (4744, 16586755), (5930, 13269404), (11860, 6634702), (23720, 3317351), (24313, 3236440), (48626, 1618220), (80911, 972520), (97252, 809110), (121565, 647288), (161822, 486260), (194504, 404555), (243130, 323644)]