129125810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{28631}}^1$

素因数の和:28690

約数の個数: 32

約数和(自身を含む): 259749504

約数和(自身を除く): 130623694

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 28631, 57262, 143155, 286310, 314941, 629882, 1173871, 1574705, 2347742, 3149410, 5869355, 11738710, 12912581, 25825162, 64562905, 129125810]

約数ペア:

[(1, 129125810), (2, 64562905), (5, 25825162), (10, 12912581), (11, 11738710), (22, 5869355), (41, 3149410), (55, 2347742), (82, 1574705), (110, 1173871), (205, 629882), (410, 314941), (451, 286310), (902, 143155), (2255, 57262), (4510, 28631)]