127764160

素因数分解:

$2^6\times 5^1\times {\mathrm{399263}}^1$

素因数の和:399280

約数の個数: 28

約数和(自身を含む): 304239168

約数和(自身を除く): 176475008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 399263, 798526, 1597052, 1996315, 3194104, 3992630, 6388208, 7985260, 12776416, 15970520, 25552832, 31941040, 63882080, 127764160]

約数ペア:

[(1, 127764160), (2, 63882080), (4, 31941040), (5, 25552832), (8, 15970520), (10, 12776416), (16, 7985260), (20, 6388208), (32, 3992630), (40, 3194104), (64, 1996315), (80, 1597052), (160, 798526), (320, 399263)]