3640377640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{834949}}^1$

素因数の和:835069

約数の個数: 32

約数和(自身を含む): 8266005000

約数和(自身を除く): 4625627360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 834949, 1669898, 3339796, 4174745, 6679592, 8349490, 16698980, 33397960, 91009441, 182018882, 364037764, 455047205, 728075528, 910094410, 1820188820, 3640377640]

約数ペア:

[(1, 3640377640), (2, 1820188820), (4, 910094410), (5, 728075528), (8, 455047205), (10, 364037764), (20, 182018882), (40, 91009441), (109, 33397960), (218, 16698980), (436, 8349490), (545, 6679592), (872, 4174745), (1090, 3339796), (2180, 1669898), (4360, 834949)]