4040816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19427}}^1$

素因数の和:19448

約数の個数: 20

約数和(自身を含む): 8431752

約数和(自身を除く): 4390936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19427, 38854, 77708, 155416, 252551, 310832, 505102, 1010204, 2020408, 4040816]

約数ペア:

[(1, 4040816), (2, 2020408), (4, 1010204), (8, 505102), (13, 310832), (16, 252551), (26, 155416), (52, 77708), (104, 38854), (208, 19427)]