80140784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263621}}^1$

素因数の和:263648

約数の個数: 20

約数和(自身を含む): 163445640

約数和(自身を除く): 83304856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 263621, 527242, 1054484, 2108968, 4217936, 5008799, 10017598, 20035196, 40070392, 80140784]

約数ペア:

[(1, 80140784), (2, 40070392), (4, 20035196), (8, 10017598), (16, 5008799), (19, 4217936), (38, 2108968), (76, 1054484), (152, 527242), (304, 263621)]