99519040

素因数分解:

$2^6\times 5^1\times {\mathrm{310997}}^1$

素因数の和:311014

約数の個数: 28

約数和(自身を含む): 236980476

約数和(自身を除く): 137461436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 310997, 621994, 1243988, 1554985, 2487976, 3109970, 4975952, 6219940, 9951904, 12439880, 19903808, 24879760, 49759520, 99519040]

約数ペア:

[(1, 99519040), (2, 49759520), (4, 24879760), (5, 19903808), (8, 12439880), (10, 9951904), (16, 6219940), (20, 4975952), (32, 3109970), (40, 2487976), (64, 1554985), (80, 1243988), (160, 621994), (320, 310997)]