27151480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3217}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 61399440

約数和(自身を除く): 34247960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3217, 4220, 6434, 8440, 12868, 16085, 25736, 32170, 64340, 128680, 678787, 1357574, 2715148, 3393935, 5430296, 6787870, 13575740, 27151480]

約数ペア:

[(1, 27151480), (2, 13575740), (4, 6787870), (5, 5430296), (8, 3393935), (10, 2715148), (20, 1357574), (40, 678787), (211, 128680), (422, 64340), (844, 32170), (1055, 25736), (1688, 16085), (2110, 12868), (3217, 8440), (4220, 6434)]