86619920

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1229}}^1$

素因数の和:2123

約数の個数: 40

約数和(自身を含む): 201783960

約数和(自身を除く): 115164040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 1229, 1762, 2458, 3524, 4405, 4916, 6145, 7048, 8810, 9832, 12290, 14096, 17620, 19664, 24580, 35240, 49160, 70480, 98320, 1082749, 2165498, 4330996, 5413745, 8661992, 10827490, 17323984, 21654980, 43309960, 86619920]

約数ペア:

[(1, 86619920), (2, 43309960), (4, 21654980), (5, 17323984), (8, 10827490), (10, 8661992), (16, 5413745), (20, 4330996), (40, 2165498), (80, 1082749), (881, 98320), (1229, 70480), (1762, 49160), (2458, 35240), (3524, 24580), (4405, 19664), (4916, 17620), (6145, 14096), (7048, 12290), (8810, 9832)]