9897280

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 23838408

約数和(自身を除く): 13941128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 197, 314, 320, 394, 628, 785, 788, 985, 1256, 1570, 1576, 1970, 2512, 3140, 3152, 3940, 5024, 6280, 6304, 7880, 10048, 12560, 12608, 15760, 25120, 30929, 31520, 50240, 61858, 63040, 123716, 154645, 247432, 309290, 494864, 618580, 989728, 1237160, 1979456, 2474320, 4948640, 9897280]

約数ペア:

[(1, 9897280), (2, 4948640), (4, 2474320), (5, 1979456), (8, 1237160), (10, 989728), (16, 618580), (20, 494864), (32, 309290), (40, 247432), (64, 154645), (80, 123716), (157, 63040), (160, 61858), (197, 50240), (314, 31520), (320, 30929), (394, 25120), (628, 15760), (785, 12608), (788, 12560), (985, 10048), (1256, 7880), (1570, 6304), (1576, 6280), (1970, 5024), (2512, 3940), (3140, 3152)]