201631240

素因数分解:

$2^3\times 5^1\times {\mathrm{5040781}}^1$

素因数の和:5040792

約数の個数: 16

約数和(自身を含む): 453670380

約数和(自身を除く): 252039140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040781, 10081562, 20163124, 25203905, 40326248, 50407810, 100815620, 201631240]

約数ペア:

[(1, 201631240), (2, 100815620), (4, 50407810), (5, 40326248), (8, 25203905), (10, 20163124), (20, 10081562), (40, 5040781)]