40219472

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{9781}}^1$

素因数の和:10046

約数の個数: 20

約数和(自身を含む): 78236436

約数和(自身を除く): 38016964

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 9781, 19562, 39124, 78248, 156496, 2513717, 5027434, 10054868, 20109736, 40219472]

約数ペア:

[(1, 40219472), (2, 20109736), (4, 10054868), (8, 5027434), (16, 2513717), (257, 156496), (514, 78248), (1028, 39124), (2056, 19562), (4112, 9781)]