6654640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 15588288

約数和(自身を除く): 8933648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 431, 772, 862, 965, 1544, 1724, 1930, 2155, 3088, 3448, 3860, 4310, 6896, 7720, 8620, 15440, 17240, 34480, 83183, 166366, 332732, 415915, 665464, 831830, 1330928, 1663660, 3327320, 6654640]

約数ペア:

[(1, 6654640), (2, 3327320), (4, 1663660), (5, 1330928), (8, 831830), (10, 665464), (16, 415915), (20, 332732), (40, 166366), (80, 83183), (193, 34480), (386, 17240), (431, 15440), (772, 8620), (862, 7720), (965, 6896), (1544, 4310), (1724, 3860), (1930, 3448), (2155, 3088)]