66994160

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4339}}^1$

素因数の和:4545

約数の個数: 40

約数和(自身を含む): 156604560

約数和(自身を除く): 89610400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4339, 7720, 8678, 15440, 17356, 21695, 34712, 43390, 69424, 86780, 173560, 347120, 837427, 1674854, 3349708, 4187135, 6699416, 8374270, 13398832, 16748540, 33497080, 66994160]

約数ペア:

[(1, 66994160), (2, 33497080), (4, 16748540), (5, 13398832), (8, 8374270), (10, 6699416), (16, 4187135), (20, 3349708), (40, 1674854), (80, 837427), (193, 347120), (386, 173560), (772, 86780), (965, 69424), (1544, 43390), (1930, 34712), (3088, 21695), (3860, 17356), (4339, 15440), (7720, 8678)]