316959040

素因数分解:

$2^6\times 5^1\times {\mathrm{990497}}^1$

素因数の和:990514

約数の個数: 28

約数和(自身を含む): 754759476

約数和(自身を除く): 437800436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 990497, 1980994, 3961988, 4952485, 7923976, 9904970, 15847952, 19809940, 31695904, 39619880, 63391808, 79239760, 158479520, 316959040]

約数ペア:

[(1, 316959040), (2, 158479520), (4, 79239760), (5, 63391808), (8, 39619880), (10, 31695904), (16, 19809940), (20, 15847952), (32, 9904970), (40, 7923976), (64, 4952485), (80, 3961988), (160, 1980994), (320, 990497)]