51145390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 94296960

約数和(自身を除く): 43151570

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 395, 505, 641, 790, 1010, 1282, 3205, 6410, 7979, 15958, 39895, 50639, 64741, 79790, 101278, 129482, 253195, 323705, 506390, 647410, 5114539, 10229078, 25572695, 51145390]

約数ペア:

[(1, 51145390), (2, 25572695), (5, 10229078), (10, 5114539), (79, 647410), (101, 506390), (158, 323705), (202, 253195), (395, 129482), (505, 101278), (641, 79790), (790, 64741), (1010, 50639), (1282, 39895), (3205, 15958), (6410, 7979)]