80128130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421727}}^1$

素因数の和:421753

約数の個数: 16

約数和(自身を含む): 151822080

約数和(自身を除く): 71693950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421727, 843454, 2108635, 4217270, 8012813, 16025626, 40064065, 80128130]

約数ペア:

[(1, 80128130), (2, 40064065), (5, 16025626), (10, 8012813), (19, 4217270), (38, 2108635), (95, 843454), (190, 421727)]