4427240

素因数分解:

$2^3\times 5^1\times {\mathrm{110681}}^1$

素因数の和:110692

約数の個数: 16

約数和(自身を含む): 9961380

約数和(自身を除く): 5534140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 110681, 221362, 442724, 553405, 885448, 1106810, 2213620, 4427240]

約数ペア:

[(1, 4427240), (2, 2213620), (4, 1106810), (5, 885448), (8, 553405), (10, 442724), (20, 221362), (40, 110681)]