80910080

素因数分解:

$2^8\times 5^1\times {\mathrm{63211}}^1$

素因数の和:63232

約数の個数: 36

約数和(自身を含む): 193807992

約数和(自身を除く): 112897912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 63211, 126422, 252844, 316055, 505688, 632110, 1011376, 1264220, 2022752, 2528440, 4045504, 5056880, 8091008, 10113760, 16182016, 20227520, 40455040, 80910080]

約数ペア:

[(1, 80910080), (2, 40455040), (4, 20227520), (5, 16182016), (8, 10113760), (10, 8091008), (16, 5056880), (20, 4045504), (32, 2528440), (40, 2022752), (64, 1264220), (80, 1011376), (128, 632110), (160, 505688), (256, 316055), (320, 252844), (640, 126422), (1280, 63211)]