16270640

素因数分解:

$2^4\times 5^1\times {\mathrm{203383}}^1$

素因数の和:203396

約数の個数: 20

約数和(自身を含む): 37829424

約数和(自身を除く): 21558784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203383, 406766, 813532, 1016915, 1627064, 2033830, 3254128, 4067660, 8135320, 16270640]

約数ペア:

[(1, 16270640), (2, 8135320), (4, 4067660), (5, 3254128), (8, 2033830), (10, 1627064), (16, 1016915), (20, 813532), (40, 406766), (80, 203383)]