2009747240

素因数分解:

$2^3\times 5^1\times {\mathrm{50243681}}^1$

素因数の和:50243692

約数の個数: 16

約数和(自身を含む): 4521931380

約数和(自身を除く): 2512184140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50243681, 100487362, 200974724, 251218405, 401949448, 502436810, 1004873620, 2009747240]

約数ペア:

[(1, 2009747240), (2, 1004873620), (4, 502436810), (5, 401949448), (8, 251218405), (10, 200974724), (20, 100487362), (40, 50243681)]