51146140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 111998880

約数和(自身を除く): 60852740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 541, 580, 652, 815, 1082, 1630, 2164, 2705, 3260, 4727, 5410, 9454, 10820, 15689, 18908, 23635, 31378, 47270, 62756, 78445, 88183, 94540, 156890, 176366, 313780, 352732, 440915, 881830, 1763660, 2557307, 5114614, 10229228, 12786535, 25573070, 51146140]

約数ペア:

[(1, 51146140), (2, 25573070), (4, 12786535), (5, 10229228), (10, 5114614), (20, 2557307), (29, 1763660), (58, 881830), (116, 440915), (145, 352732), (163, 313780), (290, 176366), (326, 156890), (541, 94540), (580, 88183), (652, 78445), (815, 62756), (1082, 47270), (1630, 31378), (2164, 23635), (2705, 18908), (3260, 15689), (4727, 10820), (5410, 9454)]