39589120

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 95916744

約数和(自身を除く): 56327624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 197, 256, 314, 320, 394, 628, 640, 785, 788, 985, 1256, 1280, 1570, 1576, 1970, 2512, 3140, 3152, 3940, 5024, 6280, 6304, 7880, 10048, 12560, 12608, 15760, 20096, 25120, 25216, 30929, 31520, 40192, 50240, 50432, 61858, 63040, 100480, 123716, 126080, 154645, 200960, 247432, 252160, 309290, 494864, 618580, 989728, 1237160, 1979456, 2474320, 3958912, 4948640, 7917824, 9897280, 19794560, 39589120]

約数ペア:

[(1, 39589120), (2, 19794560), (4, 9897280), (5, 7917824), (8, 4948640), (10, 3958912), (16, 2474320), (20, 1979456), (32, 1237160), (40, 989728), (64, 618580), (80, 494864), (128, 309290), (157, 252160), (160, 247432), (197, 200960), (256, 154645), (314, 126080), (320, 123716), (394, 100480), (628, 63040), (640, 61858), (785, 50432), (788, 50240), (985, 40192), (1256, 31520), (1280, 30929), (1570, 25216), (1576, 25120), (1970, 20096), (2512, 15760), (3140, 12608), (3152, 12560), (3940, 10048), (5024, 7880), (6280, 6304)]