80697856

素因数分解:

$2^9\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:864

約数の個数: 40

約数和(自身を含む): 162104580

約数和(自身を除く): 81406724

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 277, 512, 554, 569, 1108, 1138, 2216, 2276, 4432, 4552, 8864, 9104, 17728, 18208, 35456, 36416, 70912, 72832, 141824, 145664, 157613, 291328, 315226, 630452, 1260904, 2521808, 5043616, 10087232, 20174464, 40348928, 80697856]

約数ペア:

[(1, 80697856), (2, 40348928), (4, 20174464), (8, 10087232), (16, 5043616), (32, 2521808), (64, 1260904), (128, 630452), (256, 315226), (277, 291328), (512, 157613), (554, 145664), (569, 141824), (1108, 72832), (1138, 70912), (2216, 36416), (2276, 35456), (4432, 18208), (4552, 17728), (8864, 9104)]