39956920

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1619}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 90104400

約数和(自身を除く): 50147480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 1619, 2468, 3085, 3238, 4936, 6170, 6476, 8095, 12340, 12952, 16190, 24680, 32380, 64760, 998923, 1997846, 3995692, 4994615, 7991384, 9989230, 19978460, 39956920]

約数ペア:

[(1, 39956920), (2, 19978460), (4, 9989230), (5, 7991384), (8, 4994615), (10, 3995692), (20, 1997846), (40, 998923), (617, 64760), (1234, 32380), (1619, 24680), (2468, 16190), (3085, 12952), (3238, 12340), (4936, 8095), (6170, 6476)]