39193480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 89884620

約数和(自身を除く): 50691140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 157, 158, 314, 316, 395, 628, 632, 785, 790, 1256, 1570, 1580, 3140, 3160, 6241, 6280, 12403, 12482, 24806, 24964, 31205, 49612, 49928, 62015, 62410, 99224, 124030, 124820, 248060, 249640, 496120, 979837, 1959674, 3919348, 4899185, 7838696, 9798370, 19596740, 39193480]

約数ペア:

[(1, 39193480), (2, 19596740), (4, 9798370), (5, 7838696), (8, 4899185), (10, 3919348), (20, 1959674), (40, 979837), (79, 496120), (157, 249640), (158, 248060), (314, 124820), (316, 124030), (395, 99224), (628, 62410), (632, 62015), (785, 49928), (790, 49612), (1256, 31205), (1570, 24964), (1580, 24806), (3140, 12482), (3160, 12403), (6241, 6280)]