51111140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{134503}}^1$

素因数の和:134531

約数の個数: 24

約数和(自身を含む): 112983360

約数和(自身を除く): 61872220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 134503, 269006, 538012, 672515, 1345030, 2555557, 2690060, 5111114, 10222228, 12777785, 25555570, 51111140]

約数ペア:

[(1, 51111140), (2, 25555570), (4, 12777785), (5, 10222228), (10, 5111114), (19, 2690060), (20, 2555557), (38, 1345030), (76, 672515), (95, 538012), (190, 269006), (380, 134503)]