255040

素因数分解:

$2^6\times 5^1\times {\mathrm{797}}^1$

素因数の和:814

約数の個数: 28

約数和(自身を含む): 608076

約数和(自身を除く): 353036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 797, 1594, 3188, 3985, 6376, 7970, 12752, 15940, 25504, 31880, 51008, 63760, 127520, 255040]

約数ペア:

[(1, 255040), (2, 127520), (4, 63760), (5, 51008), (8, 31880), (10, 25504), (16, 15940), (20, 12752), (32, 7970), (40, 6376), (64, 3985), (80, 3188), (160, 1594), (320, 797)]