1280250016

素因数分解:

$2^5\times {\mathrm{40007813}}^1$

素因数の和:40007823

約数の個数: 12

約数和(自身を含む): 2520492282

約数和(自身を除く): 1240242266

約数列:

[1, 2, 4, 8, 16, 32, 40007813, 80015626, 160031252, 320062504, 640125008, 1280250016]

約数ペア:

[(1, 1280250016), (2, 640125008), (4, 320062504), (8, 160031252), (16, 80015626), (32, 40007813)]