71678080

素因数分解:

$2^7\times 5^1\times {\mathrm{111997}}^1$

素因数の和:112016

約数の個数: 32

約数和(自身を含む): 171356940

約数和(自身を除く): 99678860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111997, 223994, 447988, 559985, 895976, 1119970, 1791952, 2239940, 3583904, 4479880, 7167808, 8959760, 14335616, 17919520, 35839040, 71678080]

約数ペア:

[(1, 71678080), (2, 35839040), (4, 17919520), (5, 14335616), (8, 8959760), (10, 7167808), (16, 4479880), (20, 3583904), (32, 2239940), (40, 1791952), (64, 1119970), (80, 895976), (128, 559985), (160, 447988), (320, 223994), (640, 111997)]